Scientists recreate fingerprints from the sound of swiping on a touchscreen

Hackers may have a new way of obtaining your fingerprint data – by secretly listening in to the sound of your finger swiping on your smartphone.

A team of scientists from China and the United States say they have devised a side-channel attack on the Automatic Fingerprint Identification System (AFIS) which allows them to extract fingerprint patterns from the sound of friction produced by swiping on a touchscreen. Side channel attacks exploit information that is inadvertently leaked by …

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