http://blogs.discovermagazine.com/discoblog/2010/08/16/can-greasy-fingerprints-on-smart-phones-give-away-passcodes/ Quirky, funny, and surprising science news from the edge of the known universe. Fri, 25 May 2012 18:28:00 +0000 hourly 1 http://wordpress.org/?v=3.2.1 http://blogs.discovermagazine.com/discoblog/2010/08/16/can-greasy-fingerprints-on-smart-phones-give-away-passcodes/comment-page-1/#comment-41348 Brian Too Tue, 17 Aug 2010 00:00:15 +0000 http://blogs.discovermagazine.com/discoblog/?p=11862#comment-41348 I used to use a door with an old-fashioned pushbutton keycode. Just 5 keys available, and the paint was worn on 3 of them. Since key reuse was impossible on that system and there was no limit on the number of retries... guessing the combination was within easy reach. Oops! I used to use a door with an old-fashioned pushbutton keycode. Just 5 keys available, and the paint was worn on 3 of them. Since key reuse was impossible on that system and there was no limit on the number of retries… guessing the combination was within easy reach. Oops!

]]> http://blogs.discovermagazine.com/discoblog/2010/08/16/can-greasy-fingerprints-on-smart-phones-give-away-passcodes/comment-page-1/#comment-41336 Chris Mon, 16 Aug 2010 20:30:21 +0000 http://blogs.discovermagazine.com/discoblog/?p=11862#comment-41336 Or much easier, look over the person's shoulder. Or much easier, look over the person’s shoulder.

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