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Subject: Re: Biometric fingerprint sensors
References: <email@example.com> <firstname.lastname@example.org>
Date: Thu, 02 Jan 2003 21:27:43 +0100
NNTP-Posting-Date: Thu, 02 Jan 2003 21:27:43 MET
>>I was wondering if there are some units that will also generate an image of
>>the fingerprint itself, and if so who makes them.
>>thanks for any advice / ideas.
They produce some kind of image that is evaluated by the host system. Why put an
expensive CPU in the reader?
> I did read an article recently about these device being easily
> tricked, there was a link posted to SED i think. You may want to check
> it out.
The easiest trich I've seen was a plastic bag with water pressed against the
residue on the sensor. Pretty clever, and it works sometimes.
The manufacturer claim this isn't possible because repeat fingerprints are
supposed not to be in the exact same location. But it was.
An alternatve was to use a detective's fingerprint set, and make a print off that.
The iris scan was cute too: take an iris photo, cut a pupil hole, and hold in
front of your own pupil. The sensors sees a live pupil and the right iris: access!
And finally face recognition: showing the camera a laptop screen with a movie
All this becomes much harder if a guard is present.
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