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Biometrics

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Apart from the obvious issues with biometric authentication (like the fact that revoking them is quite onerous and the fact that they are actually detachable) I have never really been much of a fan of them for other reasons, like the issue that they always seem to be fooled by low-tech means. A recent scientific study seems to validate that. Of course, I think the Chaos Computer Club video is much more fun (it is in German, but you'll get the gist of it even if you do not understand German).

Comments

  • Anonymous
    December 15, 2005
    The comment has been removed
  • Anonymous
    December 17, 2005
    Did you read the study? I'm not sure exactly how they tested it. I think you'd have to go back to the actual paper to find out, although I kind of doubt they started with live fingers and then turned them into cadaver fingers. I think you are right about the issues with getting that past the human subjects committee though. They tend not to like studies with people that start out live and turn out dead; and I think they even frown on turning only part of those people into cadaver parts.

    Honestly though, if the cadaver fingers were recognized at all, that would be a problem. Only live ones are supposed to be recognized.
  • Anonymous
    December 20, 2005
    See, that's one of the problems with biometrics - while they are frequently tested against living subjects and cadavers, there's no test that accurately represents that of severing an individual's credentials in order to offer them up as validation.<p>I suggest this new field of research be named "necrometrics". :-)
  • Anonymous
    December 23, 2005
  • And what about cold fingers? Low pulse rate (mine is 64 at rest, despite being unfit - what if I get fit and it drops further?), etc...?

    Fans of biometrics often don't spend enough time considering the implications of
    people who don't posess enough of them - missing fingers, worn fingerprints, iris conditions (today's word is "aniridia"), etc.

    Pick a single biometric, and hundreds of people - possibly more - will legitimately be unable to register.