"Gummy Fingers" Fool Fingerprint Readers
"Tsutomu Matsumoto, who teaches mathematics and cryptography at Japan's Yokohama National University, has demonstrated that if one makes a mold from a human finger (which can be done easily with dime store modeling compounds or with molding materials used by dentists to make impressions for dentures) and fills it with the same material used to make "Gummi Bears" and "Gummi Worms," he can cast a phony fingertip that's good enough to trigger virtually all of the most sophisticated biometric devices. "
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