Friday, December 23, 2005

New biometrics software looks for sweat / CNET News.com, 21 Dec 2005

http://digbig.com/4fsqx
Michael Kanellos
"Researchers at Clarkson University have found that fingerprint readers can be spoofed by fingerprint images lifted with Play-doh or gelatin or a model of a finger molded out of dental plaster. The group even assembled a collection of fingers cut from the hands of cadavers.
In a systematic test of more than 60 of the carefully crafted samples, the researchers found that 90 percent of the fakes could be passed off as the real thing.
But when researchers enhanced the reader with an algorithm that looked for evidence of perspiration, the false-verification rate dropped to 10 percent. "