Interesting People mailing list archives
more on NYC to search transit riders' bags -- but ...
From: David Farber <dave () farber net>
Date: Sat, 23 Jul 2005 10:20:31 -0400
Begin forwarded message: From: Rick Adams <Rick.Adams () Cello Net> Date: July 22, 2005 8:57:16 PM EDT To: dave () farber net Subject: RE: [IP] more on NYC to search transit riders' bags -- but ... If: "truly random searches are likely to be more effective than searches that follow a system."then it clearly follows that systematic searches are likely to be less effective
than random searches, which means that systematic searches will likely perform worse than just getting lucky. Somehow I continue to not be reassured... -----Original Message-----From: owner-ip () v2 listbox com [mailto:owner-ip () v2 listbox com] On Behalf Of David Farber
Sent: Friday, July 22, 2005 3:21 PM To: Ip ip Subject: [IP] more on NYC to search transit riders' bags -- but ... Begin forwarded message: From: Michael Bacarella <mbac () netgraft com> Date: July 22, 2005 3:13:13 PM EDT To: David Farber <dave () farber net> Subject: Re: [IP] more on NYC to search transit riders' bags -- but ... On Fri, Jul 22, 2005 at 02:46:01PM -0400, David Farber wrote:
Begin forwarded message: From: Rick Adams <Rick.Adams () Cello Net> Date: July 22, 2005 11:42:57 AM EDT To: dave () farber net, 'Ip ip' <ip () v2 listbox com> Subject: RE: [IP] more on NYC to search transit riders' bags -- but ... Isn't a security policy based on random search just "we hope we get lucky?" Not very reassuring when phrased that way is it?
Actually, truly random searches are likely to be more effective than searches that follow a system. http://www.acfnewsource.org/science/random_security.html "It turns out the best strategy is purely random (flip the coin). Stark says this is a well-established concept in the mathematical world, that as long as there is a detectable pattern, then it can be exploited. This is, Stark says, the same concept behind the MIT paper. As long as there is a pattern, your opponent can figure it out and work against your pattern, in the case of airport security, the pattern is whether or not your CAPPS score is high enough for you to be pulled aside for extra security searches. But, as with the pennies, if the pattern is purely random, you cannot know what will happen ahead of time." -- Michael Bacarella ------------------------------------- You are subscribed as ricknews () cello net To manage your subscription, go to http://v2.listbox.com/member/?listname=ipArchives at: http://www.interesting-people.org/archives/interesting- people/
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Current thread:
- more on NYC to search transit riders' bags -- but ... David Farber (Jul 22)
- <Possible follow-ups>
- more on NYC to search transit riders' bags -- but ... David Farber (Jul 22)
- more on NYC to search transit riders' bags -- but ... David Farber (Jul 22)
- more on NYC to search transit riders' bags -- but ... David Farber (Jul 22)
- more on NYC to search transit riders' bags -- but ... David Farber (Jul 22)
- more on NYC to search transit riders' bags -- but ... David Farber (Jul 22)
- more on NYC to search transit riders' bags -- but ... David Farber (Jul 22)
- more on NYC to search transit riders' bags -- but ... David Farber (Jul 23)
- more on NYC to search transit riders' bags -- but ... David Farber (Jul 24)
- more on NYC to search transit riders' bags -- but ... David Farber (Jul 24)
- more on NYC to search transit riders' bags -- but ... David Farber (Jul 25)
- more on NYC to search transit riders' bags -- but ... David Farber (Jul 25)
- more on NYC to search transit riders' bags -- but ... David Farber (Jul 25)