, 2004-11-19
Bill Gates is right about one thing: asking people to use a two-factor form of authentication would go a long way toward alleviating a lot of the password problems that plague computer security today.
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You can't change your DNA or thunb print or retina under most circumstances. Ignoring the possible cases of illness changing the structure of your iris or retina or the possible amputation of a finger, there is no way to change your identification once you have comitted to biometrics.
While this is an advantage as the "fingerprint" uniquely identifies you, as soon as this "fingerprint" is stolen, you're in a world of trouble and until the person using your ID is caught, there is no way to get out of that trouble again because _you_can't_change_your_password_anymore_.
I consider this the major problem with biometrics and would gladly exchange a dozen smartcards for this problem.
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Link to this comment: http://www.securityfocus.com/comments/columns/277/29225#29225