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Existing iris scanners can be deceived by pictures of other people's irises. I do not doubt that facial recognition will be fooled by people making masks (to fo

Existing iris scanners can be deceived by pictures of other people's irises. I do not doubt that facial recognition will be fooled by people making masks (to fool infrared scanning). http://www.schneier.com/blog/archives/2012/07/fake_irises_foo.html http://www.schneier.com/blog/archives/2012/07/fake_irises_fo... http://www.bbc.com/news/technology-18997580 http://www.bbc.com/news/technology-18997580 The basic principle of biometric reading is the equivalent to sliding your photo under the door to a guard. The guard checks the photo against an already existing set of photos and lets you in. They don't check that the photo is of you - which is a common failing when you let marketing design your security.

lifeisstillgood 14y ago
This is because everyone thinks a biometric is some sort of password. It is actually a username. You are stating I am the person whom my fingerprints/face/retinas state I am. Then the guard should challenge that person with that face to provide a password that is known to be held by that face. Its a common fallacy that leads to people having their fingers chopped off to steal their fingerprint-recognising cars.