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RISKS-LIST: Risks-Forum Digest Tuesday 26 September 2006 Volume 24 : Issue 44

ACM FORUM ON RISKS TO THE PUBLIC IN COMPUTERS AND RELATED SYSTEMS (comp.risks)
Peter G. Neumann, moderator, chmn ACM Committee on Computers and Public Policy

***** See last item for further information, disclaimers, caveats, etc. *****
This issue is archived at <http://www.risks.org> as
<http://catless.ncl.ac.uk/Risks/24.44.html>
The current issue can be found at
<http://www.csl.sri.com/users/risko/risks.txt>

Contents:
German driverless Transrapid maglev train crashes, killing 23
(Debora Weber-Wulff, Martin Virtel, Peter B. Ladkin)
SCADA Hacks (Al Macintyre)
Vancouver Int'l Airport locked down due to software glitch (Karl Klashinsky)
TIAA-CREF Payment Delays Because of New Computer System (Peter D. Junger)
DVD player, designed for usability? (Daniel P.B. Smith)
1,100 Laptops Missing From Commerce Department (Alan Sipress via PGN)
Home security system snafu (Ron Garret)
RISKS readers as election officials (Peter-Lawrence Montgomery)
Ron Rivest's ThreeBallot (PGN)
Identities lost in phishing (Gadi Evron)
22nd Annual Computer Security Applications Conference (Christoph Schuba)
Abridged info on RISKS (comp.risks)

----------------------------------------------------------------------

Date: Sat, 23 Sep 2006 09:01:57 +0200
From: Debora Weber-Wulff <D.Weber-Wulff@xxxxxxxxxxxxxx>
Subject: German driverless Transrapid maglev train crashes, killing 23

On Friday, Sept. 22, 2006, the German magnetic levitation train Transrapid
(running along a 31,8 km long test loop in Emsland) slammed into a
maintenance car on the track while traveling at approx. 200 km/h.

Officials have been quick to assure that this was not a technical error --
although how they can know this before even all of the 23 dead had been
retrieved from the wreckage is an open question. The cause was quickly put
down to "human failure" -- but has not been elaborated on, probably because
Germany was in the process of trying to sell a second Transrapid to China.

Since the test loop is built on 4-meter high stilts and runs through a
wooded area, a maintenence car runs once in the morning to clean off leaves
and twigs that have gathered overnight and have detrimental effects on
magnetic levitation.

The local fire departments did appear to have extra long ladders in order to
reach the track, but cranes were necessary in order to lift the maintenance
car off the flattened front part of the Transrapid train.

The train does not have a driver, who might have noticed something on the
track and hit the brakes. Officials say that it is impossible to detect
something like this, although I know that for rail-bound trains there are
actually detectors that will not signal a train to proceed unless the track
portion ahead is clear. [Perhaps they don't have signals, since only one
train runs on this track? My speculation - dww]

The train does not offer regular service, but rather takes tourists for a
fast trip. The passengers at the time of the accident are said to have been
workers for a subcontractor.

>From the pictures it seems that some sort of slide construction helped
people get out of the (intact) back of the train (the blue things in one of
the pictures).

The Transrapid has been sold as a collision-free system, because it cannot
fall off the track (it wraps around), nothing can cross its path, and two
mag lev trains cannot physically use the same piece of track. The
maintenance car, however, was *not* maglev equipment. So we again have the
case of the system being logically fine if you stay inside the system, but
introducing one piece that is from a different context completely changes
the situation.

Article (in German):
http://www1.ndr.de/ndr_pages_std/0,2570,OID3129340_SPC3131186,00.html
Pictures of the wreck:
http://www1.ndr.de/ndrde_slideshow/0,2964,OID3132196_SIX0,00.html
Diagram of the track loop:
http://www.tagesschau.de/aktuell/meldungen/0,1185,OID5938672_REF1_NAV_BAB,00.html
Pictures (with captions in German) explaining how maglev works:
http://www.spiegel.de/fotostrecke/0,5538,PB64-SUQ9MTYzNTMmbnI9MQ_3_3,00.html

Prof.Dr. Debora Weber-Wulff, FHTW Berlin, FB 4, Treskowallee 8, 10313 Berlin
+49-30-5019-2320 http://www.f4.fhtw-berlin.de/people/weberwu/

[Two other reports follow, and provide some diversity of views, although
I have trimmed some of the duplications. PGN]

------------------------------

Date: Sat, 23 Sep 2006 11:11:35 +0200
From: "Martin Virtel" <virtel.martin@xxxxxx>
Subject: German driverless Transrapid maglev train crashes, killing 23

The two workers on the maintenance vehicle saw things coming and jumped,
saving their lives.

The test track, which is used as a technology showcase and transports
curious tourists and potential customers of the technology, had been
approved for driverless operation only last year.

Right now after the accident, engineers assure us that In theory, maglev
technology is the safest transport in the world, because the propulsion is
done by magnets in the rail - two maglev vehicles on the same part of the
track would run in the same direction, so a crash between them is indeed
impossible.

Apparently, nobody thought about non-maglev vehicles on the same track,
although these vehicles stick around for routine maintenance. Which is
really tragic, because railways, a 19th century technology, normally do have
the technology to ensure that only one vehicle is on a given part of the
track, and they used to have drivers on board as a fall-back.

And, of course, unspecified "human error" is cited as the most probable
cause for the accident, the second theory being a disruption of an
unspecified wireless communication system.

http://www.spiegel.de/wissenschaft/mensch/0,1518,438706,00.html

Martin Virtel, Redakteur Forschen & Entwickeln, FINANCIAL TIMES DEUTSCHLAND
Stubbenhuk 3, 20459 Hamburg +49/40/319 90 469 http://www.ftd.de

------------------------------

Date: Sat, 23 Sep 2006 09:06:58 +0200
From: "Peter B. Ladkin" <ladkin@xxxxxxxxxxxxxxxxxxxx>
Subject: German driverless Transrapid maglev train crashes, killing 23

The International Herald Tribune (IHT) has a story by Mark Landler of the
NYT. Our local paper, the Neue Westfälische (NW) is running a story from
the Associated Press (AP).

The IHT says it was traveling about 200kph. The NW says about 180kph.

The IHT is reporting 25 dead and 10 seriously injured. The NW is reporting
23 dead and 10 seriously injured.

The IHT says that "The authorities declined to speculate on the cause,
though experts on maglev technology said it appeared to have been caused by
a communications breakdown rather than a flaw in the technology." The AP
quotes the state lawyer involved saying "it is probably the result of human
error." The AP also says that the state justice department and the operating
company IABG are assuming it is human error.

It astonishes me that some authorities are willing to speculate in public on
the root cause of the crash only a day after it has happened.

The NW said that [my translation] "according to the state legal department,
the Transrapid can only travel [on its test track] when the maintenance
vehicle has left the track. The maintenance workers confirm this by
telephone. it is open [that is, it has not been determined PBL] why the
train controller gave permission for the train to proceed."

So let me join in, but without speculating. Any collision between two rail
vehicles demonstrates that the means of ensuring that two vehicles are not
in the same place at the same time is inadequate. The reason I can say this
is because it is an analytic statement: a collision happened, therefore the
means of hindering collisions was inadequate. (The classic example of an
analytic statement is that a bachelor is an unmarried man.)

On a single-vehicle short track, one imagines there are lots of economical
ways of checking that the track is free which do not involve merely
telephone calls. People obviously thought that what they had was
adequate. Turns out it wasn't. (Remember: this is an analytic statement.)

Peter B. Ladkin, Faculty of Technology, University of Bielefeld, 33594
Bielefeld, Germany Tel+msg +49 (0)521 880 7319 www.rvs.uni-bielefeld.de

------------------------------

Date: Wed, 13 Sep 2006 23:44:20 -0500
From: Al Macintyre <macwheel99@xxxxxxxxxxx>
Subject: SCADA Hacks

Infoworld interviewed:
* Alan Paller, director of research at the SANS Institute, and
* Eric Byres, director of industrial cyber security at Symantec,
on some topics of interest to us.

SCADA (supervisory control and data acquisition) systems, essential to the
nation's critical infrastructure, have been hacked.

What's happening today is that terrorists are using cybercrime to get the
money to buy the bombs to blow people up. They are not using cyberattacks
against physical things. There have been cases where SCADA systems that run
power plants, were taken over, but the crime was about financial extortion.

SCADA systems are becoming more vulnerable to cyber attack because obscure
operating systems are being replaced with Windows connected to corporate
networks, that are vulnerable to breaches. The GAO did a great report on
this in 2004. http://www.gao.gov/new.items/d04354.pdf

Then there is the military statement that the Chinese downloaded 10-20
terabytes of sensitive information from NIPRNet.

What the government is doing is producing mountains to reports whose only
function is to gather dust. The best thing that can be done with them is
pile in front of government buildings as protection against a car bomb.

http://www.infoworld.com/article/06/09/11/37NMmain_1.html

------------------------------

Date: Mon, 25 Sep 2006 10:01:42 -0700
From: Karl Klashinsky <klash@xxxxxxxxx>
Subject: Vancouver Int'l Airport locked down due to software glitch

On 17 Sep 2006, Vancouver International Airport was locked down for several
hours because a security guard noticed what appeared to be an explosive on
an X-ray screen. The bag in question could not be located in the screening
area, so the decision was made to re-screen all passengers in the waiting
areas.

The "lock down" procedure also required many flights that had just taken off
to return to Vancouver so that all passengers could be re-screened.

As it turns out, the bag was not found because it did not exist. The image
seen by the guard was from training software installed on the screening
machine. The image in question should have appeared only during a training
exercise, according to a spokesperson from Canadian Air Transport Security
Authority (CATSA). Furthermore:

"They're investigating how that feature of the tool got inadvertently
activated. And while they're doing that investigation, they've deactivated
the tool itself."

None of the basic facts here will be a surprise to RISKers. However, one
thought crossing my mind is whether the training software was executed as a
prank, and if so, how (i.e., I have no idea whether it's possible to
interact with the screening machines remotely). But if a "false positive"
image could be inserted into a live, in-service screening machine, then it's
possible that a "false negative" could also be inserted.

The CBC story shortly after the incident, describing the lock down:

http://www.cbc.ca/canada/british-columbia/story/2006/09/17/vancouver-airport.html

And the recent story describing the cause:

http://www.cbc.ca/canada/british-columbia/story/2006/09/22/bc-airport-screening.html

[Also noted by Robert Israel, UBC, Vancouver]
http://www.ctv.ca/servlet/ArticleNews/story/CTVNews/20060921/yvr_security_060921/20060921

------------------------------

Date: Mon, 25 Sep 2006 14:34:00 -0400
From: "Peter D. Junger" <junger@xxxxxxxxxxxxxxxxxxxx>
Subject: TIAA-CREF Payment Delays Because of New Computer System

On 6 Sep I faxed the paperwork to TIAA-CREF requesting a withdrawal from my
retirement account expecting that it might take as long as a week before the
money was wired to my account. It is now 25 Sep and I am still waiting.

I have spoken to several consultants about this problem. The first just
said that it should not have taken that long and that he would see if he
could get it expedited. The next consultant was more forthcoming and said
that the delay was caused by the fact that TIAA-CREF was installing a new
computer system. (I had earlier been told in another context that the old
system was written in COBOL back in the 1960s.)

Later consultants told me that as a University's account is transferred to
the new system, withdrawal applications from retirees from that University
have to be processed manually, rather than by the computer system. That
strongly suggests that as more and more accounts are transferred to the new
system the delays will get longer and longer.

There apparently has been no public announcement of this problem. (At least
I found nothing in a Google search.) When I mentioned this to one of the
consultants, she said that information that there was going to be a
switch-over to a new system was sent to account holders last year, but, when
I pointed out to her that that announcement said nothing about delays, she
said that she did not believe that they had been anticipated.

When I asked what happened to people who couldn't make a mortgage payment or
something like that I was told by one of the consultants that TIAA-CREF was
reimbursing people who had to pay late charges because of the delay. He
didn't say what they did for people whose credit reports were damaged or
those who lost a deal because they could not come up with a down payment in
time or something like that.

One of consultants also told me that it might be six months before the
switch-over to the new system was complete.

The consultants, who were all very considerate, all said that they had no
contact the people responsible for the actual processing of the withdrawal
applications.

Peter D. Junger, Case Western Reserve University Law School, Cleveland, OH
junger@xxxxxxxxxxxxxxxxxxxx http://samsara.law.cwru.edu

------------------------------

Date: Mon, 25 Sep 2006 21:06:13 -0400
From: "Daniel P. B. Smith" <usenet2006@xxxxxxxxxxxx>
Subject: DVD player, designed for usability?

Look at the button layout on this portable DVD player.

http://www.dpbsmith.com/buttons.jpg

In case it still isn't clear--it sure wasn't clear to me--the northeast
button navigates east; the southeast button navigates south; the southwest
button navigates west; and the northwest button navigates north. The
silkscreened little arrows _next to_ each button are apparently intended to
convey this, and to help you ignore the engraved little arrows in the
buttons themselves.

An awful lot of modern user interface design seems to me to amount to
printing little silkscreened arrows next to buttons that were hopelessly
misplaced to begin with.

[This of course might reminds us of John Denver's final flight, in which
he thought he had run out of gas on one tank and tried to switch tanks.
The lever positions were UP for both tanks off, RIGHT for the left tank,
and DOWN for the right tank. PGN]

------------------------------

Date: Fri, 22 Sep 2006 16:11:04 PDT
From: "Peter G. Neumann" <neumann@xxxxxxxxxxx>
Subject: 1,100 Laptops Missing From Commerce Department

More than 1,100 laptop computers have vanished from the Department of
Commerce since 2001, including nearly 250 from the Census Bureau containing
personal information. This was revealed in response to a request from the
U.S. House Committee on Government Reform, which is surveying 17 federal
departments about such losses. Of the 10 thus far responding, Commerce is
"by far the most egregious." This leaves questions about the 7 departments
that have not responded! [Source: Alan Sipress, *The Washington Post*, 22
Sep 2006; PGN-ed]
http://www.washingtonpost.com/wp-dyn/content/article/2006/09/21/AR2006092101602.html

------------------------------

Date: Sun, 24 Sep 2006 11:26:22 -0700
From: Ron Garret <ron@xxxxxxxxxxx>
Subject: Home security system snafu

I swear I am not making this up.

Today I got a call from the company that monitors our home security system.
They said that they had received a trouble report from our system. But our
panel said everything was hunky-dory. All the self- tests were normal, and
the sensor in question was operating properly.

This is not the first time this has happened, so I decided to escalate.
Long story short: the only plausible theory that anyone has been able to
come up with is that somewhere in the country another security system has
mistakenly been programmed with our ID code (the ID codes are assigned and
programmed manually) and it is THAT system that is calling in the trouble
reports. The central monitoring system uses the self-reported ID codes to
identify the system calling in, not caller-id. Therefore (assuming this
theory is correct) there is no way to know where the system with the
duplicate ID actually is.

I pointed out to them that if this theory is correct then the system with
the duplicate ID code is essentially useless, and that if and when the
owners of that system learn this they may not be too happy about having paid
their monthly fees for essentially no value whatsoever. If a burglar ever
breaks into that house (wherever it is) it will appear to the monitoring
office that someone has broken into OUR house. The police will be
dispatched to our house and we'll be charged for a false alarm. Meanwhile
the real burglars will be happily unmolested in some unknown and unknowable
location. Furthermore, if a burglar ever breaks into OUR house through the
location corresponding to the (evidently) faulty sensor on the house with
the duplicate ID they might be tempted to write this off as just the faulty
sensor acting up and not call the police.

Even the possibility that such events might result in (it seems to me,
IANAL) easily winnable lawsuits now that the company has been made aware of
the problem has not motivated them to find a solution as far as I can tell.

------------------------------

Date: Fri, 22 Sep 2006 06:48:33 +0200 (MEST)
From: Peter-Lawrence.Montgomery@xxxxxx
Subject: RISKS readers as election officials (Re: Lesher, RISKS-24.43)

I'm a mathematician in Microsoft's Cryptography group. On September 19,
during the Washington State primary, I was a King County (Seattle area)
election judge. This seemed a good use of my expiring vacation hours.

The pay is about $115 for working about 6 am - 9:30 pm, with a one-hour
lunch break and two 15-minute breaks. A four-hour pre-election training
session is also reimbursed. This is more than I've received for equivalent
jury duty.

The polling station where I was assigned is supposed to have 14 workers, but
only 9 had been recruited. Some of us doubled up to do two precincts. I
brought a copy of Avi Rubin's report, but most other judges weren't
interested.

For those voting in person, this was the first time they could choose
electronic voting (AVU, Accessible Voting Unit) or paper ballots. I was
across the room from the (one) AVU but understood you touched the screen to
pick a candidate. Supposedly it could (slowly) read the ballot aloud in
English or Chinese, for those who are visually disabled. A printed copy of
your ballot passed under a glass -- you had to affirm that the choices
printed there are correct before casting your ballot.

If a voter chose AVU, I (as judge) needed to fill in a form with the voter's
name and precinct information. Another judge types this precinct
information into the AVU so the voter gets a proper ballot.

Paper ballots could be marked (fill in an oval) and dropped in an Accuvote
machine, which checked for consistency (e.g., don't vote for two candidates
for same office) and tallied the votes. Before opening the polls, we needed
to check that all tallies were zero. The end-of-day counts were printed on
the same roll of adding-machine tape. Ballots with a write-in candidate
automatically went into a separate cannister beneath the Accuvote machine,
so they could be separated at days' end. The County will recount all paper
ballots by hand in 4% of the polling places.

The Accuvote machine also checked that a political party (Democratic or
Republican) had been declared. Some voters deliberately declined this, not
voting for partisan offices. The inspector (= chief judge) had to unlock
the Accuvote machine and tell it to allow this ballot.

Many King County voters vote absentee, and there are plans to go fully
absentee around 2008. The voter lists supplied To election judges omit
absentee voters. The precincts at this polling place had a combined 1500 or
so registered non-absentee voters, of which about 250 chose paper ballots
and 30 chose AVU (30% turnout. I heard those who used the AVU liked it.
There were about 60 absentee ballots dropped off at this polling place.

Occasionally multiple members of a neighborhood would show up together, and
there would be a wait in the line for that precinct. But delays were short
-- having only nine workers wasn't so bad after all).

My usual polling place is elsewhere, and I could not access it during voting
hours. I cast a provisional ballot, where my name is outside an envelope
and the ballot inside. Provisional ballots must be paper. I was able to
cast a vote on many judges as well as state legislators, US Senator, and a
county tax, but not for US Representative, because my residence is in
another congressional district. Several voters who walked in, claiming they
had not received their absentee ballot (and were not on our lists), were
allowed to vote provisionally.

At the end of the day, many items to be returned to the county were
delivered by the inspector, who needed an accomplice of the opposite
political party. There were three bags supplied for these items, but it was
hard to fit everything in. Some items, such as the privacy booths used by
paper voters, were left behind for the county to pick up later.

King County election procedures came under criticism in 2004-2005, while the
2004 gubernatorial election results were being challenged. I saw no severe
anomalies Tuesday. A technician stopped by during the morning, to check
that things were going well.

------------------------------

Date: Mon, 25 Sep 2006 15:25:01 PDT
From: "Peter G. Neumann" <neumann@xxxxxxxxxxx>
Subject: Ron Rivest's ThreeBallot

If you have not yet seen Ron Rivest's latest offering, this one is essential
reading: a three-part paper ballot that satisfies privacy and integrity
while avoiding vote selling and eschewing cryptography. Very clever, very
cute. Cheers! PGN
http://theory.csail.mit.edu/~rivest/Rivest-TheThreeBallotVotingSystem.pdf

------------------------------

Date: Mon, 18 Sep 2006 06:57:16 -0500 (CDT)
From: Gadi Evron <ge@xxxxxxxxxxxx>
Subject: Identities lost in phishing

As I often comment, it is funny to me (not really but hold on) when people
scream about this or that organization losing a laptop with 20K
identities. What's 20K?

Obviously that is important, and speaks volumes of corporate security and of
privacy issues. Still, it is insignificant in a laughable fashion when
compared to what's being stolen daily online.

Every day, millions of online identities and website credentials are
lost. Millions. Every day.

This is done through trojan horses which are spread (bots, worm fashion)
among an immense online population. There are thousands of new variants to
these bots coming out every month dedicated specifically as a targeted
attack on online financial institutions.

These attacks target the financial online sites (banking, eCommerce, etc.)
not by attacking them directly on the macro level, but rather by multiple
micro-level attacks against their users, en-masse.

These trojan horses (bots) are so advanced, the utilize rootkit technology,
and when the user surfs to an HTTPS site, use man-in-the-middle attacks on
the machine itself to steal his or her credentials.

These credentials in turn are sent to the remote attackers for further
processing.

A lot of money is lost this way. This is a world-wide problem, but it is
especially apparent (as the bad guys utilize the data more and more) in, but
not limited to, the UK and Europe. In the US this is a growing trend, but
it is mostly ignored by the defenders (most are not aware of it) as regular
primitive "e-mail phishing" is still the most apparent threat there. This is
largely due to US banks still mostly using username and password
authentication.

E-mail phishing is important and a large threat, but it is doomed to death
(it will still be here 10 years from now, like Nigerian scams are here
today, but as a specific threat it will diminish into obscurity.

Phishing today should become the root in a tree called Online Financial
Fraud or eFraud. That, friends, is not going away whether in blogs, trojan
horses, e-mail or your cell phone.

These trojan horse attacks, as they are located on the user's machine
itself, are not stopped by 2-factor authentication, etc. There are things
that can be done, but when the security problem is on a remote machine not
under the, say, bank's control, there is not much they can do with their
current confidence risk assessment systems.

There are solutions, but these are to be discussed another time. It is
obvious that one of the biggest problems facing banks, and ESPECIALLY
eCommerce sites (without the physical-space presence) is how to establish
reputation systems that will provide with a technological risk assesment
confidence decision as to how safe it is to work with a remote user.

The web channel is the cheapest and most effective in banking today, and
banks will not want to lose it.

We (Alan Solomon and myself) cover some of the market involving this
technology and how it works in a recent paper we published in the Virus
Bulletin September edition:
http://www.beyondsecurity.com/whitepapers/SolomonEvronSept06.pdf

------------------------------

Date: Sat, 23 Sep 2006 16:32:25 -0400
From: ACSAC Distribution Manager <distribution@xxxxxxxxx>
Subject: 22nd Annual Computer Security Applications Conference

22nd Annual Computer Security Applications Conference (ACSAC 2006)
December 11-15, 2006 - Miami Beach, FL
http://www.acsac.org

We would like to invite you to attend this year's ACSAC conference in Miami
Beach, FL. We have again created an exciting program organized in three
tracks, featuring invited speakers, peer-reviewed technical papers, case
studies, tutorials, a workshop, a works in progress session, panels, and
plenty opportunity to mingle and network with your colleagues from around
the globe.

The advance program is posted and registration is now open:

http://www.acsac.org/2006/advance_program.html
http://www.regmaster.com/conf/acsac2006.html

The deadline for securing the early registration discount and hotel room
discounts is November 13, 2006.

Dr. Christoph Schuba, 2006 ACSAC program chair Christoph.Schuba@xxxxxxxxx

------------------------------

Date: 2 Oct 2005 (LAST-MODIFIED)
From: RISKS-request@xxxxxxxxxxx
Subject: Abridged info on RISKS (comp.risks)

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------------------------------

End of RISKS-FORUM Digest 24.44
************************




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Risks Digest 24.43

RISKS-LIST: Risks-Forum Digest Thurs 21 September 2006 Volume 24 : Issue 43 ACM FORUM ON RISKS TO THE PUBLIC IN COMPUTERS AND RELATED SYSTEMS (comp.risks) Peter G. Neumann, moderator, chmn ACM Committee on Computers and Public Policy ***** See last item for further information, disclaimers, caveats, etc. ***** This issue is archived at <http://www.risks.org> as <http://catless.ncl.ac.uk/Risks/24.43.html> The current issue can be found at <http://www.csl.sri.com/users/risko/risks.txt> Contents: Air Traffic Controllers Chafe at Plan to Cut Staff (PGN) Should you wear a helmut while bicycling? (Jerry Leichter) Cost of online banking typo put on consumer (Kjetil Torgrim Homme) Risks of reprogrammable ATMs (Mark Brader) Segway software gives hard landing (PGN) Yet Another Power Outage (Mike Swaim) Careful with that Fedex account number (Matt Wilbur) Hotel minibar keys open Diebold voting machines (Ed Felten via PGN) Cuyahoga County Primary Election Report (David Lesher) Re: Avi Rubin's latest report as an election judge (Kurt Fredriksson) SSN-as-ID under scrutiny - again (Peter B. Ladkin) New way to break into cars (Gerrit Muller) Thieves sabotage telecom infrastructure (Gerrit Muller) Cops say teen concocted radio calls (S Hutto) Regarding High-tech Product Sabotage (Phil Singer) REVIEW: "Computer Security Basics", Lehtinen/Russell/Gangemi (Rob Slade) Abridged info on RISKS (comp.risks) ---------------------------------------------------------------------- Date: Wed, 20 Sep 2006 11:18:07 PDT From: "Peter G. Neumann" <neumann@xxxxxxxxxxx> Subject: Air Traffic Controllers Chafe at Plan to Cut Staff A drive by the Federal Aviation Administration to cut the number of air traffic controllers nationally by 10 percent below negotiated levels, and even more sharply at places like the busy radar center here, is producing tension, anger and occasional shows of defiance among controllers. One of the new changes may have safety implications: ending of contractual protection against being kept working on a controller's radar screen for more than two hours without a break. Having just one controller on duty is also problematic [as noted in the recent wrong-runway episode in Lexington KY (RISKS-24.41)]. [Source: Matthew L. Wald, *The New York Times*, 20 Sep 2006; PGN-ed, TNX to Lauren Weinstein] http://www.nytimes.com/2006/09/20/washington/20control.html ------------------------------ Date: Sat, 16 Sep 2006 19:35:18 -0400 From: Jerry Leichter <jerroldleichter@xxxxxxx> Subject: Should you wear a helmut while bicycling? We've had previous discussion in RISKS of the unexpected side-effects that can result when human beings respond to safety measures by changing their behavior, taking on risks that previously were too great to feel acceptable. http://www.eurekalert.org/pub_releases/2006-09/uob-wah091106.php is a news release about some research in this area. Dr. Ian Walker spend a great deal of time bicycling around the UK on a bicycle with equipment that measured how close drivers of different kinds of vehicles came to him when passing. Half the time, he wore a helmet; half the time, he didn't. Result: Drivers approached closer (and average of 8.5 cm) when he was wearing a helmet. Walker's hypothesis is that drivers see bicyclists wearing helmets as more experienced and competent, hence not in need of consideration. In other interesting results, when Walker wore a wig so that he looked like a woman, he was given significantly more room. He also confirmed a feeling all bicyclist have: Yes, indeed, trucks and buses do approach bicycles more closely (average of 19 cm for trucks and 23 cm for buses) than cars do. As Walker points out, helmets definitely do protect a rider in low-speed falls. How much they help in collisions with vehicles is harder to say - and if wearing a helmet makes a collision more likely, the net effect is difficult to predict. (Walker was hit twice, once by a bus and once by a truck, during his experiments. He was wearing a helmet both times.) ------------------------------ Date: Tue, 19 Sep 2006 10:25:40 +0200 From: Kjetil Torgrim Homme <kjetilho@xxxxxxxxxx> Subject: Cost of online banking typo put on consumer Grete Fossbakk wanted to transfer NOK 500,000 (USD 76400) to her daughter using her online bank account, but entered a digit too many in the account number field. The bank software stripped it silently and transferred the money to a third party. Unfortunately, the recipient immediately withdrew the bounty and started to gamble it away. Meanwhile, the daughter was on vacation, so the mishap wasn't discovered until three weeks had passed. The matter was reported to the police, and they were able to reclaim NOK 100,000 in cash in the man's apartment. Ms Fossbakk has launched a civil claim against the man for the remainder of the money, but since he lives off social security, the chances of getting it back are slim. The bank, Sparebank1 Nord-Norge, claims that if you type the wrong number, you have the bear the consequences yourself. The Norwegian bank industry's board of complaints (Bankklagenemnda) will hopefully decide in the case in time for Christmas. The Minister for Consumer Affairs, Karita Bekkemellem, has stated this is an important issue, and will consider to propose new legislation if the banks don't accept responsibility. Articles in Norwegian: http://www.dn.no/privatokonomi/article875204.ece http://www.dn.no/forsiden/politikkSamfunn/article876885.ece [Also noted by Tore A. Klock. PGN] ------------------------------ Date: Thu, 14 Sep 2006 23:18:36 -0400 (EDT) From: msb@xxxxxxx (Mark Brader) Subject: Risks of reprogrammable ATMs Surveillance footage on a gas station ATM shows a man swiping an ATM card, punching in a series of numbers, and breaking the machine's security code. He apparently reprogrammed the ATM to disburse $20 bills while recording the transaction as a $5 debit. He then apparently used a prepaid debit card. The shortfall was not noticed until nine days later, when a customer reported receiving four times what was requested. [PGN-ed] http://apnews.myway.com/article/20060913/D8K496CO4.html ------------------------------ Date: Fri, 15 Sep 2006 8:59:18 PDT From: "Peter G. Neumann" <neumann@xxxxxxxxxxx> Subject: Segway software gives hard landing [Source: Linda Rosencrance, Software glitch prompts Segway recall; Six injuries reported when transporter unexpectedly reverses direction *Computerworld*, 14 Sep 2006, PGN-ed; TNX to Nelson H. F. Beebe, U Utah.] http://cwflyris.computerworld.com/t/854524/419952/33869/2/ Segway Inc. is recalling all of its 23,500 Segway Personal Transporters because of a software problem that can cause the wheels of the device to unexpectedly reverse direction and cause a rider to fall. Consumers should stop using the device immediately and contact the company for a free software upgrade, according to the U.S. Consumer Product Safety Commission, which is working with Segway on the recall. Bedford, N.H.-based Segway said no hardware changes are required. A commission spokesman said Segway received reports of six incidents that involved facial and wrist injuries. One user required facial surgery and another was hospitalized overnight. Others suffered broken teeth, he said. "A condition has been identified in which the Segway PT can unexpectedly reverse the direction of the wheels, which can cause a rider to fall," the company said today. "This can occur when the PT's Speed Limiter tilts back the machine to slow it down and the rider goes off and then back onto the PT within a short period of time." The voluntary recall applies to all Segway PTs sold to date, including all Segway PT i Series, e Series, p Series, XT, GT and i2 models. The Segway x2, due for release later this month, is not affected by the recall. All new shipments of the I2 are being shipped with the new software release, the company said in the statement. [This was also noted by Howard Israel and Jeremy Epstein.] ------------------------------ Date: Wed, 6 Sep 2006 12:27:41 -0500 From: "Mike Swaim" <mswaim@xxxxxxxxxxxxx> Subject: Yet Another Power Outage Here's yet another power outage story that features a failure mode that I don't think has been mentioned yet. Back around 2000 or so, when I was at Enron, we lost power to most of the production database servers used for gas and power trading. Only the servers were affected, and the power outage wasn't caused by the failure of anything electronic. The raised floor under the power director feeding the servers collapsed. When the director sensed the sudden motion, it immediately shut off, taking all of the servers with it. After a couple of hours it was jacked back into a level position, and turned back on, bringing everything else back to life. That weekend the floor was repaired. Mike Swaim swaim@xxxxxxxxxx MD Anderson Dept. of Biostatistics & Applied Mathematics mpswaim@xxxxxxxxxxxxxx or mswaim@xxxxxxxxxxxxx at work ------------------------------ Date: Wed, 20 Sep 2006 10:45:49 -0700 From: Matt Wilbur <matt@xxxxxxx> Subject: Careful with that Fedex account number Sending packages with Fedex is now easier than ever, thanks to the fedex.com website. Unfortunately, it's too easy. In most cases, if you know a company's account number, you can send whatever you like using the site, assuming you have a pulse, a browser, and access to the Internet. We recently had an angry ex-employee use our account number to send multiple small dollar amount packages all over the place. The dollar value was too low for the authorities, and it was really just a nuisance. Our "Fedex person" called Fedex to stop this, and customer service told her the only way was to change our account number. This would be painful, so we sent him letters telling him to stop. It didn't. We called Fedex again, this time asking for security, using words/phrases like "fraud," "theft," and "you will have to pay when we reverse the charges." We didn't get anyone from Security, but they did begin to listen. After being bounced around at fedex, we learned the following: * Unless you take specific action (enable and configure Shipping Administration for your account within Ship Manager on the website), anyone on the planet can create a fedex.com account, associate it with your account number, and ship whatever, wherever they way, third party included. * there is no way, even with shipping administrator, within fedex.com, to view the logins associated with your account. We had to call and insist on a list - for "security" reasons they could not email or otherwise send us a list, but were able to tell us logins, names, last login, and email of active accounts. After setting up Shipping Administration, we verified that this ex-employee (or anyone else we don't approve) can no longer set up a new login and associate it with our account. After about an hour on the phone, we were able to get his login deleted (and learn all of this additional information about their system). Risks? For Fedex? Not defaulting to a more secure configuration (like, want to use fedex on the web? First sign-in associated with that fedex account must set up "Shipping Administrator" to prevent unauthorized use). Building an application with all the shipping capabilities imaginable available, and very little for the account holder to manage access and security. Not having a security contact or phone number listed, or accessible by calling in to customer service. Money lost to fraud by abuse of this system. For the Fedex user? Giving your fedex account number to third parties who may ship things to you, unless you know and trust them, and trust their handling of your account number. Not watching your bills closely. Signing up and using for a service that, when you think about it, is far too easy to use to have any built-in safety. ------------------------------ Date: Thu, 21 Sep 2006 9:47:01 PDT From: "Peter G. Neumann" <neumann@xxxxxxxxxxx> Subject: Hotel minibar keys open Diebold voting machines The access panel door on a Diebold AccuVote-TS voting machine --- the door that protects the memory card that stores the votes, and is the main barrier to the injection of a virus --- can be opened with a standard key that is widely available on the Internet. ... we did a live demo for our Princeton Computer Science colleagues of the vote-stealing software described in our paper and video. Afterward, Chris Tengi, a technical staff member, asked to look at the key that came with the voting machine. He noticed an alphanumeric code printed on the key, and remarked that he had a key at home with the same code on it. The next day he brought in his key and sure enough it opened the voting machine. See Ed Felten's blog: http://www.freedom-to-tinker.com/?p=1064 ------------------------------ Date: Sun, 17 Sep 2006 17:01:11 -0400 (EDT) From: "David Lesher" <wb8foz@xxxxxxxxx> Subject: Cuyahoga County Primary Election Report Cuyahoga County [which includes Cleveland] had a major meltdown in their May 2006 primary election. A Review Panel [comprised of a local judge, the head of the Ohio Lottery, an academic, with local law students as staff] issued a report on the event, and what needs to be fixed. <http://www.votingintegrity.org/pdf/cerp_rpt06.pdf> While Diebold DRE machines are deeply embedded in the debacle, the report is not about the problems with machine's security [as Ed Felten's is] as much as the issues of acquiring, configuring and deploying them. The Road To Hell is paved with good intentions, and this report has asphalt enough to go around. It's an example of how you can you can make any problem too hard to handle if only there is enough money & patronage floating around... RISK readers can easily identify all the Usual Suspects; you could almost duplicate it with cut and paste from say, DIVAD/Sergeant York, Virtual Case File, and oh the Second Ave subway project escapades. Cuyahoga County Board of Elections says they were told they were buying, from the sole source vendor, "seamless integration" between the registered voter database and ballot creation processes; while the vendor was seemingly wearing hooded white robes. [Diebold bought the West Coast voter database company but it was still a separate operation who {oops} wanted to be paid extra for their added work; work allegedly never mentioned by the corporate salesman who sold the "seamless" package to the BoE.] The BoE didn't even have the authority to spend the money they thought was "theirs" and thus never asked the County Commissioners. It also touches on the very real issue of poll workers/election day staff. Elections are transient events, and many of the polling places are likely to be staffed by people not just with little or no computer experience; but often computerphobia. Add training problems and you have a disaster brewing. There are VERY few Avi Rubin's working at polling places; and outside of Silicon Valley, I bet do no more than start Word. I wonder how many RISK readers do so? I'm almost tempted to say there should be Election Day Duty al-la Jury Duty. For now, employers could show their support by encouraging both senior staff & IT support to volunteer. Both would get a valuable reminder in Real World 101. The only good aspect is the Ohio Legislature required honest-to-gosh paper as the ballot of record. While that makes jammed printers important, it means there is something to recount when, not if, things go wrong... ------------------------------ Date: Wed, 13 Sep 2006 23:50:08 +0200 From: "Kurt Fredriksson" <kurt.fredriksson@xxxxxxxx> Subject: Re: Avi Rubin's latest report as an election judge I'm a Swede and is a bit puzzled about the eletronic voting that seems to become so popular in the US. As we are going to have a general election this sunday (sept 17), I can't help making a comparison. The precinct Avi was reporting from had over 1000 voters. The precinct I am going to use this sunday has around 1200 voters of which around 1000 usually show up. Thus quite similar in size. Avi had 12 machines and 16 judges, opening hours 0700 - 2200, long queues. We have no machines (old fashion paper ballots) and 3 + 3 layman officials, opening hours 0800 - 2000, no queues. After 2000 (8 pm) the votes for the the Swedish Parliament are handcounted at the precinct in the presence of all interested. That takes about one hour. These results are then telephoned to the central authority. All votes are then recounted a couple of days later, to get the official result. This recount is also performed in the presence of all interested. All votes are kept in sealed and secured boxes during transport. What are the advantages with electronic voting? Reading Avi's blog makes one wonder. ------------------------------ Date: Tue, 12 Sep 2006 08:08:11 +0200 From: "Peter B. Ladkin" <ladkin@xxxxxxxxxxxxxxxxxxxx> Subject: SSN-as-ID under scrutiny - again The insecure method of trying to use a verbal report of a U.S. Social Security Number (SSN) as personal identification is coming under wider scrutiny because of the brouhaha about the Hewlett-Packard board. The Chairman apparently ordered an investigation into who was giving privileged information to news media, and the investigators hired pretexters to obtain phone records of board members. Pretexters are people who use "social engineering" skills to impersonate a third person while communicating with a service provider, in order to obtain information about the services provided to that person. In this case, the pretexters wanted to obtain the telephone-call records of HP board members. The International Herald Tribune recounts the practice at http://www.iht.com/articles/2006/09/11/business/hpspy.php in a story from the New York Times by Matt Richtel and Miguel Helft. One investigator who helps auto-repossession agencies demonstrated: "In most cases [the investigator] said, he already had the Social Security number from the lien holder. But if necessary, he could find it in commercial databases. To demonstrate, he asked a reported his full name and state of residence, and read him back his Social Security number within seconds." [op.cit.] Among companies who have adapted belatedly to this reality are Verizon, who apparently stopped using SSN as "a chief way to establish [a customer's] identity" last year. Among those who have not yet adapted are AT&T, which "[continues] to accept Social Security numbers as a central means of identification." The article discusses the legality of pretexting, which may already be generally illegal in many jurisdictions and is so for particular goals such as obtaining financial records, and efforts to make it more explicitly illegal. The legality of pretexting is obviously a different issue from the insecurity of authentication through SSN, just as the legality of thievery is a different issue from whether I lock my front door when I leave the house. It has been known for years, and not just to RISKS readers, just how dysfunctional the practice is of trying to authenticate people through basic information such as residential address and SSN. Perhaps it persists because the perpetrators (service companies) are not the sufferers (their customers). There is, however, a general legal notion of "due diligence", whereby if a company uses a method which is known to be ineffective, it can be held responsible for deleterious consequences, as having not exercise due diligence. So, when it becomes sufficiently "well known" that divulging SSN is ineffective as authentication, practice could change. The HP story might help to tip the scales. Peter B. Ladkin, Causalis Limited and University of Bielefeld www.causalis.com www.rvs.uni-bielefeld.de ------------------------------ Date: Tue, 12 Sep 2006 10:08:55 +0200 From: Gerrit Muller <gerrit.muller@xxxxxxxxxxxxxxxxxx> Subject: New way to break into cars Dutch media report on a new way thieves are using to break into cars with electronic locks, see for instance: http://www.rtvnoord.nl/nieuws/index.asp?actie=totaalbericht&pid=60184 In Stadskanaal, in the North of the Netherlands, at least 30 cars have been illegally opened without any trace or damage. Thieves appear mostly to look for car documents. The police don't have any clue how the cars have been opened. One of the possibilities being looked into is the existence of some new electronic device acting as a passkey. If such an electronic passkey would exist, then we see the next phase in the (electronic) security rat-race. Gaudi systems architecting <http://www.gaudisite.nl/> ------------------------------ Date: Tue, 12 Sep 2006 10:02:29 +0200 From: Gerrit Muller <gerrit.muller@xxxxxxxxxxxxxxxxxx> Subject: Thieves sabotage telecom infrastructure Several Dutch media report the sabotage of telecom infrastructure at a business park in Blerick, near Venlo, in the South of the Netherlands, e.g., http://www.telegraaf.nl/binnenland/49777581/KPN_heeft_handenvol_aan_gesaboteerde_kastjes.html In Blerick the cabinets of KPN (Dutch Telecom provider) were broken down. Apparently the inflictors wanted to eliminate the security of businesses at the park. They succeeded and stole for 100k's Euro's from DHL, the courier company. The same attempt was made at the business park in Herkenbosch, another small town in the South. However an attempt to break in at an attraction park here didn't succeed, because the alarm was still functional. This example again illustrates the often invisible dependencies of modern interlinked systems. Many modern security services depend on public infrastructure. How many of them have these single points of vulnerability? ------------------------------ Date: Mon, 11 Sep 2006 22:01:31 -0600 From: "S Hutto" <shuttoj@xxxxxxxxx> Subject: Cops say teen concocted radio calls Westword, a Denver area weekly, has published a long article on the teen who was arrested for impersonating an officer on local police radio bands in 2001. According to the article, he had been routinely communicating on police bands for about three months, requesting licence plate checks and once reporting a fake hit-and-run accident. He was found guilty and sentenced to six months in the Division of Youth Corrections and two years' probation. The article provides some mundane technical details on the incident. RISKS readers may be interested in the somewhat dramatized events and motivations that drove the teen to impersonate a law enforcement officer. In 2006, he was arrested and charged with impersonating an EMT and theft by receiving. The article will be available for some amount of time here: http://www.westword.com/Issues/2006-08-31/news/feature.html ------------------------------ Date: Wed, 06 Sep 2006 20:17:39 -0400 From: Phil Singer <psinger1@xxxxxxxxxxxxx> Subject: Regarding High-tech Product Sabotage (Mellor, RISKS-24.41) During the early 1980's the place I worked at had a Honeywell-compatible version of the venerable IBM 1401. It came in several models (I don't remember the model numbers - call them Model A for the lowest end up to Model D for the top end). We found out the hard way that the only difference between them was one resistor - take it out and a Model A was as fast as a Model D (but leased for tens of thousands less). Our field engineer did not like to waste time, so he always disconnected the resistor when he did his P.M. In fact he hated wasting time so much that he never bothered to reconnect it. On one periodic maintenance day, he was on vacation and a somewhat more conscientious engineer took his place. The resistor was replaced. The director wanted to know why everything slowed down. When he found out, he immediately terminated the lease. [This is indeed an old phenomenon. Long ago, during my Bell Labs days, I requested an upgrade for a telephone modem, which was made by snipping a single wire with a disproportionate increase in the monthly rental. PGN] ------------------------------ Date: Mon, 18 Sep 2006 11:57:20 -0800 From: Rob Slade <rmslade@xxxxxxx> Subject: REVIEW: "Computer Security Basics", Lehtinen/Russell/Gangemi BKCMPSEC.RVW 20060819 "Computer Security Basics", Rick Lehtinen/Deborah Russell/G. T. Gangemi Sr., 2006, 0-596-00669-1, U$39.99/C$51.99 %A Rick Lehtinen %A Deborah Russell %A G. T. Gangemi Sr. %C 103 Morris St., Suite A, Sebastopol, CA 95472-9902 %D 2006 %G 0-596-00669-1 %I O'Reilly and Associates, Inc. %O U$39.99/C$51.99 %O http://www.amazon.com/exec/obidos/ASIN/0596006691/robsladesinterne http://www.amazon.co.uk/exec/obidos/ASIN/0596006691/robsladesinte-21 %O http://www.amazon.ca/exec/obidos/ASIN/0596006691/robsladesin03-20 %O Audience i- Tech 1 Writing 1 (see revfaq.htm for explanation) %P 296 p. %T "Computer Security Basics, Second Edition" I've been waiting a long time for an updated version of this classic. "Computer Security Basics" was a pretty accurate name for the first edition. The book was an overview of many aspects that go into the security of computers and data systems. While not exhaustive, it provided a starting point from which to pursue specific topics that required more detailed study. Such is no longer the case. Part one looks at security for today. Chapter one starts with 9/11, then talks about various infosec groups, and only then gets to an introduction of what security is, and how to evaluate potential loopholes. The definition points out the useful difference between the problems of confidentiality and availability, and now adds integrity. The distinction between threats, vulnerabilities and countermeasures is helpful, but may fail to resolve certain issues. Ironically, in view of the title of this section, chapter two gives some historical background to the development of modern data security. Part two deals with computer security itself. Chapter three looks at access control, but is somewhat unstructured. Malware and viruses receive the all-too-usual mix of advice and inaccuracies in chapter four. Policy is supposed to be the topic of chapter five, but most of the text is concerned with matters of operations. Internet and Web technologies, and a few network attacks, are listed in chapter six. The prior inclusion of network topics is rather funny, since part three delves into communications security. Chapter seven turns first to encryption, which could be presumed to have applications in more than communications, although it is important in that field. The material on encryption is quite scattered and disorganized, and the explanation of asymmetric systems is probably more confusing than helpful. A lot about networks, a list of network security components, and not much that is useful makes up chapter eight. Part four turns to other types of security. Chapter nine takes a confused look at physical security, and includes biometrics: as with encryption and communications, the topic that could be related to physical security, but might more properly be dealt with elsewhere. Chapter ten reviews wireless LANs, mentioning threats, but only tersely listing security measures, with no detail for use or implementation. The original version of the book was a good starting point for beginners who had to deal with computer security at a basic level. This second edition is a tremendous disappointment: Lehtinen has done a disservice not only to Russell and Gangemi, but also to those relying on this foundational guide. The tone of the first edition may have been too pompous, but the contents were informed by the primary concerns for information security. This update has introduced random new technical trivia, muddied the structure and flow, and reduced the value of the reference overall. copyright Robert M. Slade, 1993, 2002, 2006 BKCMPSEC.RVW 20060819 rslade@xxxxxxxxx slade@xxxxxxxxxxxxxx rslade@xxxxxxxxxxxxxxxxx http://victoria.tc.ca/techrev/rms.htm ------------------------------ Date: 2 Oct 2005 (LAST-MODIFIED) From: RISKS-request@xxxxxxxxxxx Subject: Abridged info on RISKS (comp.risks) The ACM RISKS Forum is a MODERATED digest, with Usenet equivalent comp.risks. => SUBSCRIPTIONS: PLEASE read RISKS as a newsgroup (comp.risks or equivalent) if possible and convenient for you. The mailman web interface can be used directly to subscribe and unsubscribe: http://lists.csl.sri.com/mailman/listinfo/risks Alternatively, to subscribe or unsubscribe via e-mail to mailman your FROM: address, send a message to risks-request@xxxxxxxxxxx containing only the one-word text subscribe or unsubscribe. You may also specify a different receiving address: subscribe address= ... . You may short-circuit that process by sending directly to either risks-subscribe@xxxxxxxxxxx or risks-unsubscribe@xxxxxxxxxxx depending on which action is to be taken. Subscription and unsubscription requests require that you reply to a confirmation message sent to the subscribing mail address. Instructions are included in the confirmation message. Each issue of RISKS that you receive contains information on how to post, unsubscribe, etc. => The complete INFO file (submissions, default disclaimers, archive sites, copyright policy, etc.) is online. <http://www.CSL.sri.com/risksinfo.html> The full info file may appear now and then in RISKS issues. *** Contributors are assumed to have read the full info file for guidelines. => .UK users should contact <Lindsay.Marshall@xxxxxxxxxxxxxxx>. => SPAM challenge-responses will not be honored. Instead, use an alternative address from which you NEVER send mail! => SUBMISSIONS: to risks@xxxxxxxxxxx with meaningful SUBJECT: line. *** NOTE: Including the string "notsp" at the beginning or end of the subject *** line will be very helpful in separating real contributions from spam. *** This attention-string may change, so watch this space now and then. => ARCHIVES: ftp://ftp.sri.com/risks [subdirectory i for earlier volume i] <http://www.risks.org> redirects you to Lindsay Marshall's Newcastle archive http://catless.ncl.ac.uk/Risks/VL.IS.html gets you VoLume, ISsue. Lindsay has also added to the Newcastle catless site a palmtop version of the most recent RISKS issue and a WAP version that works for many but not all telephones: http://catless.ncl.ac.uk/w/r <http://the.wiretapped.net/security/info/textfiles/risks-digest/> . ==> PGN's comprehensive historical Illustrative Risks summary of one liners: <http://www.csl.sri.com/illustrative.html> for browsing, <http://www.csl.sri.com/illustrative.pdf> or .ps for printing ------------------------------ End of RISKS-FORUM Digest 24.43 ************************

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Risks Digest 24.43

RISKS-LIST: Risks-Forum Digest Thurs 21 September 2006 Volume 24 : Issue 43 ACM FORUM ON RISKS TO THE PUBLIC IN COMPUTERS AND RELATED SYSTEMS (comp.risks) Peter G. Neumann, moderator, chmn ACM Committee on Computers and Public Policy ***** See last item for further information, disclaimers, caveats, etc. ***** This issue is archived at <http://www.risks.org> as <http://catless.ncl.ac.uk/Risks/24.43.html> The current issue can be found at <http://www.csl.sri.com/users/risko/risks.txt> Contents: Air Traffic Controllers Chafe at Plan to Cut Staff (PGN) Should you wear a helmut while bicycling? (Jerry Leichter) Cost of online banking typo put on consumer (Kjetil Torgrim Homme) Risks of reprogrammable ATMs (Mark Brader) Segway software gives hard landing (PGN) Yet Another Power Outage (Mike Swaim) Careful with that Fedex account number (Matt Wilbur) Hotel minibar keys open Diebold voting machines (Ed Felten via PGN) Cuyahoga County Primary Election Report (David Lesher) Re: Avi Rubin's latest report as an election judge (Kurt Fredriksson) SSN-as-ID under scrutiny - again (Peter B. Ladkin) New way to break into cars (Gerrit Muller) Thieves sabotage telecom infrastructure (Gerrit Muller) Cops say teen concocted radio calls (S Hutto) Regarding High-tech Product Sabotage (Phil Singer) REVIEW: "Computer Security Basics", Lehtinen/Russell/Gangemi (Rob Slade) Abridged info on RISKS (comp.risks) ---------------------------------------------------------------------- Date: Wed, 20 Sep 2006 11:18:07 PDT From: "Peter G. Neumann" <neumann@xxxxxxxxxxx> Subject: Air Traffic Controllers Chafe at Plan to Cut Staff A drive by the Federal Aviation Administration to cut the number of air traffic controllers nationally by 10 percent below negotiated levels, and even more sharply at places like the busy radar center here, is producing tension, anger and occasional shows of defiance among controllers. One of the new changes may have safety implications: ending of contractual protection against being kept working on a controller's radar screen for more than two hours without a break. Having just one controller on duty is also problematic [as noted in the recent wrong-runway episode in Lexington KY (RISKS-24.41)]. [Source: Matthew L. Wald, *The New York Times*, 20 Sep 2006; PGN-ed, TNX to Lauren Weinstein] http://www.nytimes.com/2006/09/20/washington/20control.html ------------------------------ Date: Sat, 16 Sep 2006 19:35:18 -0400 From: Jerry Leichter <jerroldleichter@xxxxxxx> Subject: Should you wear a helmut while bicycling? We've had previous discussion in RISKS of the unexpected side-effects that can result when human beings respond to safety measures by changing their behavior, taking on risks that previously were too great to feel acceptable. http://www.eurekalert.org/pub_releases/2006-09/uob-wah091106.php is a news release about some research in this area. Dr. Ian Walker spend a great deal of time bicycling around the UK on a bicycle with equipment that measured how close drivers of different kinds of vehicles came to him when passing. Half the time, he wore a helmet; half the time, he didn't. Result: Drivers approached closer (and average of 8.5 cm) when he was wearing a helmet. Walker's hypothesis is that drivers see bicyclists wearing helmets as more experienced and competent, hence not in need of consideration. In other interesting results, when Walker wore a wig so that he looked like a woman, he was given significantly more room. He also confirmed a feeling all bicyclist have: Yes, indeed, trucks and buses do approach bicycles more closely (average of 19 cm for trucks and 23 cm for buses) than cars do. As Walker points out, helmets definitely do protect a rider in low-speed falls. How much they help in collisions with vehicles is harder to say - and if wearing a helmet makes a collision more likely, the net effect is difficult to predict. (Walker was hit twice, once by a bus and once by a truck, during his experiments. He was wearing a helmet both times.) ------------------------------ Date: Tue, 19 Sep 2006 10:25:40 +0200 From: Kjetil Torgrim Homme <kjetilho@xxxxxxxxxx> Subject: Cost of online banking typo put on consumer Grete Fossbakk wanted to transfer NOK 500,000 (USD 76400) to her daughter using her online bank account, but entered a digit too many in the account number field. The bank software stripped it silently and transferred the money to a third party. Unfortunately, the recipient immediately withdrew the bounty and started to gamble it away. Meanwhile, the daughter was on vacation, so the mishap wasn't discovered until three weeks had passed. The matter was reported to the police, and they were able to reclaim NOK 100,000 in cash in the man's apartment. Ms Fossbakk has launched a civil claim against the man for the remainder of the money, but since he lives off social security, the chances of getting it back are slim. The bank, Sparebank1 Nord-Norge, claims that if you type the wrong number, you have the bear the consequences yourself. The Norwegian bank industry's board of complaints (Bankklagenemnda) will hopefully decide in the case in time for Christmas. The Minister for Consumer Affairs, Karita Bekkemellem, has stated this is an important issue, and will consider to propose new legislation if the banks don't accept responsibility. Articles in Norwegian: http://www.dn.no/privatokonomi/article875204.ece http://www.dn.no/forsiden/politikkSamfunn/article876885.ece [Also noted by Tore A. Klock. PGN] ------------------------------ Date: Thu, 14 Sep 2006 23:18:36 -0400 (EDT) From: msb@xxxxxxx (Mark Brader) Subject: Risks of reprogrammable ATMs Surveillance footage on a gas station ATM shows a man swiping an ATM card, punching in a series of numbers, and breaking the machine's security code. He apparently reprogrammed the ATM to disburse $20 bills while recording the transaction as a $5 debit. He then apparently used a prepaid debit card. The shortfall was not noticed until nine days later, when a customer reported receiving four times what was requested. [PGN-ed] http://apnews.myway.com/article/20060913/D8K496CO4.html ------------------------------ Date: Fri, 15 Sep 2006 8:59:18 PDT From: "Peter G. Neumann" <neumann@xxxxxxxxxxx> Subject: Segway software gives hard landing [Source: Linda Rosencrance, Software glitch prompts Segway recall; Six injuries reported when transporter unexpectedly reverses direction *Computerworld*, 14 Sep 2006, PGN-ed; TNX to Nelson H. F. Beebe, U Utah.] http://cwflyris.computerworld.com/t/854524/419952/33869/2/ Segway Inc. is recalling all of its 23,500 Segway Personal Transporters because of a software problem that can cause the wheels of the device to unexpectedly reverse direction and cause a rider to fall. Consumers should stop using the device immediately and contact the company for a free software upgrade, according to the U.S. Consumer Product Safety Commission, which is working with Segway on the recall. Bedford, N.H.-based Segway said no hardware changes are required. A commission spokesman said Segway received reports of six incidents that involved facial and wrist injuries. One user required facial surgery and another was hospitalized overnight. Others suffered broken teeth, he said. "A condition has been identified in which the Segway PT can unexpectedly reverse the direction of the wheels, which can cause a rider to fall," the company said today. "This can occur when the PT's Speed Limiter tilts back the machine to slow it down and the rider goes off and then back onto the PT within a short period of time." The voluntary recall applies to all Segway PTs sold to date, including all Segway PT i Series, e Series, p Series, XT, GT and i2 models. The Segway x2, due for release later this month, is not affected by the recall. All new shipments of the I2 are being shipped with the new software release, the company said in the statement. [This was also noted by Howard Israel and Jeremy Epstein.] ------------------------------ Date: Wed, 6 Sep 2006 12:27:41 -0500 From: "Mike Swaim" <mswaim@xxxxxxxxxxxxx> Subject: Yet Another Power Outage Here's yet another power outage story that features a failure mode that I don't think has been mentioned yet. Back around 2000 or so, when I was at Enron, we lost power to most of the production database servers used for gas and power trading. Only the servers were affected, and the power outage wasn't caused by the failure of anything electronic. The raised floor under the power director feeding the servers collapsed. When the director sensed the sudden motion, it immediately shut off, taking all of the servers with it. After a couple of hours it was jacked back into a level position, and turned back on, bringing everything else back to life. That weekend the floor was repaired. Mike Swaim swaim@xxxxxxxxxx MD Anderson Dept. of Biostatistics & Applied Mathematics mpswaim@xxxxxxxxxxxxxx or mswaim@xxxxxxxxxxxxx at work ------------------------------ Date: Wed, 20 Sep 2006 10:45:49 -0700 From: Matt Wilbur <matt@xxxxxxx> Subject: Careful with that Fedex account number Sending packages with Fedex is now easier than ever, thanks to the fedex.com website. Unfortunately, it's too easy. In most cases, if you know a company's account number, you can send whatever you like using the site, assuming you have a pulse, a browser, and access to the Internet. We recently had an angry ex-employee use our account number to send multiple small dollar amount packages all over the place. The dollar value was too low for the authorities, and it was really just a nuisance. Our "Fedex person" called Fedex to stop this, and customer service told her the only way was to change our account number. This would be painful, so we sent him letters telling him to stop. It didn't. We called Fedex again, this time asking for security, using words/phrases like "fraud," "theft," and "you will have to pay when we reverse the charges." We didn't get anyone from Security, but they did begin to listen. After being bounced around at fedex, we learned the following: * Unless you take specific action (enable and configure Shipping Administration for your account within Ship Manager on the website), anyone on the planet can create a fedex.com account, associate it with your account number, and ship whatever, wherever they way, third party included. * there is no way, even with shipping administrator, within fedex.com, to view the logins associated with your account. We had to call and insist on a list - for "security" reasons they could not email or otherwise send us a list, but were able to tell us logins, names, last login, and email of active accounts. After setting up Shipping Administration, we verified that this ex-employee (or anyone else we don't approve) can no longer set up a new login and associate it with our account. After about an hour on the phone, we were able to get his login deleted (and learn all of this additional information about their system). Risks? For Fedex? Not defaulting to a more secure configuration (like, want to use fedex on the web? First sign-in associated with that fedex account must set up "Shipping Administrator" to prevent unauthorized use). Building an application with all the shipping capabilities imaginable available, and very little for the account holder to manage access and security. Not having a security contact or phone number listed, or accessible by calling in to customer service. Money lost to fraud by abuse of this system. For the Fedex user? Giving your fedex account number to third parties who may ship things to you, unless you know and trust them, and trust their handling of your account number. Not watching your bills closely. Signing up and using for a service that, when you think about it, is far too easy to use to have any built-in safety. ------------------------------ Date: Thu, 21 Sep 2006 9:47:01 PDT From: "Peter G. Neumann" <neumann@xxxxxxxxxxx> Subject: Hotel minibar keys open Diebold voting machines The access panel door on a Diebold AccuVote-TS voting machine --- the door that protects the memory card that stores the votes, and is the main barrier to the injection of a virus --- can be opened with a standard key that is widely available on the Internet. ... we did a live demo for our Princeton Computer Science colleagues of the vote-stealing software described in our paper and video. Afterward, Chris Tengi, a technical staff member, asked to look at the key that came with the voting machine. He noticed an alphanumeric code printed on the key, and remarked that he had a key at home with the same code on it. The next day he brought in his key and sure enough it opened the voting machine. See Ed Felten's blog: http://www.freedom-to-tinker.com/?p=1064 ------------------------------ Date: Sun, 17 Sep 2006 17:01:11 -0400 (EDT) From: "David Lesher" <wb8foz@xxxxxxxxx> Subject: Cuyahoga County Primary Election Report Cuyahoga County [which includes Cleveland] had a major meltdown in their May 2006 primary election. A Review Panel [comprised of a local judge, the head of the Ohio Lottery, an academic, with local law students as staff] issued a report on the event, and what needs to be fixed. <http://www.votingintegrity.org/pdf/cerp_rpt06.pdf> While Diebold DRE machines are deeply embedded in the debacle, the report is not about the problems with machine's security [as Ed Felten's is] as much as the issues of acquiring, configuring and deploying them. The Road To Hell is paved with good intentions, and this report has asphalt enough to go around. It's an example of how you can you can make any problem too hard to handle if only there is enough money & patronage floating around... RISK readers can easily identify all the Usual Suspects; you could almost duplicate it with cut and paste from say, DIVAD/Sergeant York, Virtual Case File, and oh the Second Ave subway project escapades. Cuyahoga County Board of Elections says they were told they were buying, from the sole source vendor, "seamless integration" between the registered voter database and ballot creation processes; while the vendor was seemingly wearing hooded white robes. [Diebold bought the West Coast voter database company but it was still a separate operation who {oops} wanted to be paid extra for their added work; work allegedly never mentioned by the corporate salesman who sold the "seamless" package to the BoE.] The BoE didn't even have the authority to spend the money they thought was "theirs" and thus never asked the County Commissioners. It also touches on the very real issue of poll workers/election day staff. Elections are transient events, and many of the polling places are likely to be staffed by people not just with little or no computer experience; but often computerphobia. Add training problems and you have a disaster brewing. There are VERY few Avi Rubin's working at polling places; and outside of Silicon Valley, I bet do no more than start Word. I wonder how many RISK readers do so? I'm almost tempted to say there should be Election Day Duty al-la Jury Duty. For now, employers could show their support by encouraging both senior staff & IT support to volunteer. Both would get a valuable reminder in Real World 101. The only good aspect is the Ohio Legislature required honest-to-gosh paper as the ballot of record. While that makes jammed printers important, it means there is something to recount when, not if, things go wrong... ------------------------------ Date: Wed, 13 Sep 2006 23:50:08 +0200 From: "Kurt Fredriksson" <kurt.fredriksson@xxxxxxxx> Subject: Re: Avi Rubin's latest report as an election judge I'm a Swede and is a bit puzzled about the eletronic voting that seems to become so popular in the US. As we are going to have a general election this sunday (sept 17), I can't help making a comparison. The precinct Avi was reporting from had over 1000 voters. The precinct I am going to use this sunday has around 1200 voters of which around 1000 usually show up. Thus quite similar in size. Avi had 12 machines and 16 judges, opening hours 0700 - 2200, long queues. We have no machines (old fashion paper ballots) and 3 + 3 layman officials, opening hours 0800 - 2000, no queues. After 2000 (8 pm) the votes for the the Swedish Parliament are handcounted at the precinct in the presence of all interested. That takes about one hour. These results are then telephoned to the central authority. All votes are then recounted a couple of days later, to get the official result. This recount is also performed in the presence of all interested. All votes are kept in sealed and secured boxes during transport. What are the advantages with electronic voting? Reading Avi's blog makes one wonder. ------------------------------ Date: Tue, 12 Sep 2006 08:08:11 +0200 From: "Peter B. Ladkin" <ladkin@xxxxxxxxxxxxxxxxxxxx> Subject: SSN-as-ID under scrutiny - again The insecure method of trying to use a verbal report of a U.S. Social Security Number (SSN) as personal identification is coming under wider scrutiny because of the brouhaha about the Hewlett-Packard board. The Chairman apparently ordered an investigation into who was giving privileged information to news media, and the investigators hired pretexters to obtain phone records of board members. Pretexters are people who use "social engineering" skills to impersonate a third person while communicating with a service provider, in order to obtain information about the services provided to that person. In this case, the pretexters wanted to obtain the telephone-call records of HP board members. The International Herald Tribune recounts the practice at http://www.iht.com/articles/2006/09/11/business/hpspy.php in a story from the New York Times by Matt Richtel and Miguel Helft. One investigator who helps auto-repossession agencies demonstrated: "In most cases [the investigator] said, he already had the Social Security number from the lien holder. But if necessary, he could find it in commercial databases. To demonstrate, he asked a reported his full name and state of residence, and read him back his Social Security number within seconds." [op.cit.] Among companies who have adapted belatedly to this reality are Verizon, who apparently stopped using SSN as "a chief way to establish [a customer's] identity" last year. Among those who have not yet adapted are AT&T, which "[continues] to accept Social Security numbers as a central means of identification." The article discusses the legality of pretexting, which may already be generally illegal in many jurisdictions and is so for particular goals such as obtaining financial records, and efforts to make it more explicitly illegal. The legality of pretexting is obviously a different issue from the insecurity of authentication through SSN, just as the legality of thievery is a different issue from whether I lock my front door when I leave the house. It has been known for years, and not just to RISKS readers, just how dysfunctional the practice is of trying to authenticate people through basic information such as residential address and SSN. Perhaps it persists because the perpetrators (service companies) are not the sufferers (their customers). There is, however, a general legal notion of "due diligence", whereby if a company uses a method which is known to be ineffective, it can be held responsible for deleterious consequences, as having not exercise due diligence. So, when it becomes sufficiently "well known" that divulging SSN is ineffective as authentication, practice could change. The HP story might help to tip the scales. Peter B. Ladkin, Causalis Limited and University of Bielefeld www.causalis.com www.rvs.uni-bielefeld.de ------------------------------ Date: Tue, 12 Sep 2006 10:08:55 +0200 From: Gerrit Muller <gerrit.muller@xxxxxxxxxxxxxxxxxx> Subject: New way to break into cars Dutch media report on a new way thieves are using to break into cars with electronic locks, see for instance: http://www.rtvnoord.nl/nieuws/index.asp?actie=totaalbericht&pid=60184 In Stadskanaal, in the North of the Netherlands, at least 30 cars have been illegally opened without any trace or damage. Thieves appear mostly to look for car documents. The police don't have any clue how the cars have been opened. One of the possibilities being looked into is the existence of some new electronic device acting as a passkey. If such an electronic passkey would exist, then we see the next phase in the (electronic) security rat-race. Gaudi systems architecting <http://www.gaudisite.nl/> ------------------------------ Date: Tue, 12 Sep 2006 10:02:29 +0200 From: Gerrit Muller <gerrit.muller@xxxxxxxxxxxxxxxxxx> Subject: Thieves sabotage telecom infrastructure Several Dutch media report the sabotage of telecom infrastructure at a business park in Blerick, near Venlo, in the South of the Netherlands, e.g., http://www.telegraaf.nl/binnenland/49777581/KPN_heeft_handenvol_aan_gesaboteerde_kastjes.html In Blerick the cabinets of KPN (Dutch Telecom provider) were broken down. Apparently the inflictors wanted to eliminate the security of businesses at the park. They succeeded and stole for 100k's Euro's from DHL, the courier company. The same attempt was made at the business park in Herkenbosch, another small town in the South. However an attempt to break in at an attraction park here didn't succeed, because the alarm was still functional. This example again illustrates the often invisible dependencies of modern interlinked systems. Many modern security services depend on public infrastructure. How many of them have these single points of vulnerability? ------------------------------ Date: Mon, 11 Sep 2006 22:01:31 -0600 From: "S Hutto" <shuttoj@xxxxxxxxx> Subject: Cops say teen concocted radio calls Westword, a Denver area weekly, has published a long article on the teen who was arrested for impersonating an officer on local police radio bands in 2001. According to the article, he had been routinely communicating on police bands for about three months, requesting licence plate checks and once reporting a fake hit-and-run accident. He was found guilty and sentenced to six months in the Division of Youth Corrections and two years' probation. The article provides some mundane technical details on the incident. RISKS readers may be interested in the somewhat dramatized events and motivations that drove the teen to impersonate a law enforcement officer. In 2006, he was arrested and charged with impersonating an EMT and theft by receiving. The article will be available for some amount of time here: http://www.westword.com/Issues/2006-08-31/news/feature.html ------------------------------ Date: Wed, 06 Sep 2006 20:17:39 -0400 From: Phil Singer <psinger1@xxxxxxxxxxxxx> Subject: Regarding High-tech Product Sabotage (Mellor, RISKS-24.41) During the early 1980's the place I worked at had a Honeywell-compatible version of the venerable IBM 1401. It came in several models (I don't remember the model numbers - call them Model A for the lowest end up to Model D for the top end). We found out the hard way that the only difference between them was one resistor - take it out and a Model A was as fast as a Model D (but leased for tens of thousands less). Our field engineer did not like to waste time, so he always disconnected the resistor when he did his P.M. In fact he hated wasting time so much that he never bothered to reconnect it. On one periodic maintenance day, he was on vacation and a somewhat more conscientious engineer took his place. The resistor was replaced. The director wanted to know why everything slowed down. When he found out, he immediately terminated the lease. [This is indeed an old phenomenon. Long ago, during my Bell Labs days, I requested an upgrade for a telephone modem, which was made by snipping a single wire with a disproportionate increase in the monthly rental. PGN] ------------------------------ Date: Mon, 18 Sep 2006 11:57:20 -0800 From: Rob Slade <rmslade@xxxxxxx> Subject: REVIEW: "Computer Security Basics", Lehtinen/Russell/Gangemi BKCMPSEC.RVW 20060819 "Computer Security Basics", Rick Lehtinen/Deborah Russell/G. T. Gangemi Sr., 2006, 0-596-00669-1, U$39.99/C$51.99 %A Rick Lehtinen %A Deborah Russell %A G. T. Gangemi Sr. %C 103 Morris St., Suite A, Sebastopol, CA 95472-9902 %D 2006 %G 0-596-00669-1 %I O'Reilly and Associates, Inc. %O U$39.99/C$51.99 %O http://www.amazon.com/exec/obidos/ASIN/0596006691/robsladesinterne http://www.amazon.co.uk/exec/obidos/ASIN/0596006691/robsladesinte-21 %O http://www.amazon.ca/exec/obidos/ASIN/0596006691/robsladesin03-20 %O Audience i- Tech 1 Writing 1 (see revfaq.htm for explanation) %P 296 p. %T "Computer Security Basics, Second Edition" I've been waiting a long time for an updated version of this classic. "Computer Security Basics" was a pretty accurate name for the first edition. The book was an overview of many aspects that go into the security of computers and data systems. While not exhaustive, it provided a starting point from which to pursue specific topics that required more detailed study. Such is no longer the case. Part one looks at security for today. Chapter one starts with 9/11, then talks about various infosec groups, and only then gets to an introduction of what security is, and how to evaluate potential loopholes. The definition points out the useful difference between the problems of confidentiality and availability, and now adds integrity. The distinction between threats, vulnerabilities and countermeasures is helpful, but may fail to resolve certain issues. Ironically, in view of the title of this section, chapter two gives some historical background to the development of modern data security. Part two deals with computer security itself. Chapter three looks at access control, but is somewhat unstructured. Malware and viruses receive the all-too-usual mix of advice and inaccuracies in chapter four. Policy is supposed to be the topic of chapter five, but most of the text is concerned with matters of operations. Internet and Web technologies, and a few network attacks, are listed in chapter six. The prior inclusion of network topics is rather funny, since part three delves into communications security. Chapter seven turns first to encryption, which could be presumed to have applications in more than communications, although it is important in that field. The material on encryption is quite scattered and disorganized, and the explanation of asymmetric systems is probably more confusing than helpful. A lot about networks, a list of network security components, and not much that is useful makes up chapter eight. Part four turns to other types of security. Chapter nine takes a confused look at physical security, and includes biometrics: as with encryption and communications, the topic that could be related to physical security, but might more properly be dealt with elsewhere. Chapter ten reviews wireless LANs, mentioning threats, but only tersely listing security measures, with no detail for use or implementation. The original version of the book was a good starting point for beginners who had to deal with computer security at a basic level. This second edition is a tremendous disappointment: Lehtinen has done a disservice not only to Russell and Gangemi, but also to those relying on this foundational guide. The tone of the first edition may have been too pompous, but the contents were informed by the primary concerns for information security. This update has introduced random new technical trivia, muddied the structure and flow, and reduced the value of the reference overall. copyright Robert M. Slade, 1993, 2002, 2006 BKCMPSEC.RVW 20060819 rslade@xxxxxxxxx slade@xxxxxxxxxxxxxx rslade@xxxxxxxxxxxxxxxxx http://victoria.tc.ca/techrev/rms.htm ------------------------------ Date: 2 Oct 2005 (LAST-MODIFIED) From: RISKS-request@xxxxxxxxxxx Subject: Abridged info on RISKS (comp.risks) The ACM RISKS Forum is a MODERATED digest, with Usenet equivalent comp.risks. => SUBSCRIPTIONS: PLEASE read RISKS as a newsgroup (comp.risks or equivalent) if possible and convenient for you. The mailman web interface can be used directly to subscribe and unsubscribe: http://lists.csl.sri.com/mailman/listinfo/risks Alternatively, to subscribe or unsubscribe via e-mail to mailman your FROM: address, send a message to risks-request@xxxxxxxxxxx containing only the one-word text subscribe or unsubscribe. You may also specify a different receiving address: subscribe address= ... . You may short-circuit that process by sending directly to either risks-subscribe@xxxxxxxxxxx or risks-unsubscribe@xxxxxxxxxxx depending on which action is to be taken. Subscription and unsubscription requests require that you reply to a confirmation message sent to the subscribing mail address. Instructions are included in the confirmation message. Each issue of RISKS that you receive contains information on how to post, unsubscribe, etc. => The complete INFO file (submissions, default disclaimers, archive sites, copyright policy, etc.) is online. <http://www.CSL.sri.com/risksinfo.html> The full info file may appear now and then in RISKS issues. *** Contributors are assumed to have read the full info file for guidelines. => .UK users should contact <Lindsay.Marshall@xxxxxxxxxxxxxxx>. => SPAM challenge-responses will not be honored. Instead, use an alternative address from which you NEVER send mail! => SUBMISSIONS: to risks@xxxxxxxxxxx with meaningful SUBJECT: line. *** NOTE: Including the string "notsp" at the beginning or end of the subject *** line will be very helpful in separating real contributions from spam. *** This attention-string may change, so watch this space now and then. => ARCHIVES: ftp://ftp.sri.com/risks [subdirectory i for earlier volume i] <http://www.risks.org> redirects you to Lindsay Marshall's Newcastle archive http://catless.ncl.ac.uk/Risks/VL.IS.html gets you VoLume, ISsue. Lindsay has also added to the Newcastle catless site a palmtop version of the most recent RISKS issue and a WAP version that works for many but not all telephones: http://catless.ncl.ac.uk/w/r <http://the.wiretapped.net/security/info/textfiles/risks-digest/> . ==> PGN's comprehensive historical Illustrative Risks summary of one liners: <http://www.csl.sri.com/illustrative.html> for browsing, <http://www.csl.sri.com/illustrative.pdf> or .ps for printing ------------------------------ End of RISKS-FORUM Digest 24.43 ************************
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