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security + (4)

DEFCON Kids! [more inside]
posted by jeffburdges on Jun 27, 2011 - 15 comments

Picking locks for fun and education!
posted by Chocolate Pickle on Oct 26, 2010 - 20 comments

"This is the lock you got from your parents when you were 8." "I could chew through this lock." Hal Grades Your Bike Locking (2003). Hal (and Kerri) Grade Your Bike Locking (2008). Hal Grades Your Bike Locking 3: The Final Warning! (2009) Skip to the last one unless if you're not truly dedicated to locking minutiae. (via)
posted by maudlin on Jul 17, 2009 - 59 comments

You are Medeco, one of the world's premier lock companies. And you think your super-secure locks are tight. Until, that is, some upstart troublemaker comes along, reverse engineers them and shows the world (via Wired magazine--with video, natch) showing just how (supposedly) insecure they are. Then this same troublemaker releases a book giving all your secrets away. [more inside]
posted by ostranenie on May 28, 2009 - 75 comments

Here are pictures of women with extremely long hair.
posted by Dr. Wu on Mar 9, 2006 - 70 comments

Learn to Safecrack! [pdf] Last year, computer scientist and cryptologist Matt Blaze drew ire from the locksmithing community for publically revealing information on how to create the master key to a lock (previous MetaFilter discussion). He's back with a paper on cracking safes. Once again, locksmiths are up in arms over Blaze's disregard of trade secrets. Apparently, safes adhere to the principle of security through obscurity rather than Kerckhoff's Law. [via]
posted by painquale on Jan 27, 2005 - 9 comments

Use one of those heavy U-locks to secure your bike? You might want to think again. It seems the barrel style lock mechanisms some of them employ can be opened by a Bic pen [.mov movie].
posted by normy on Sep 14, 2004 - 69 comments

Anyone with access to a lock and key can easily create a master key. An AT&T Labs researcher has discovered that most master-key lock systems are vulnerable. NY Times (reg. req'd) reports that the technique is known, but not widely known. For instance, it does not appear in the ubiquitous document formerly known as the MIT Guide to Lockpicking. The AT&T Labs-Research paper is troubling some security experts, one of whom said that the "technique could open doors worldwide for criminals and terrorists." Because publishing the paper "could lead to an increase in thefts and other crimes, it presented an ethical quandary" for the researcher (Matt Blaze) and AT&T Labs-Research.
posted by found missing on Jan 23, 2003 - 27 comments