Tandon in the News

‘Master Prints’ Could Be Used to Unlock Nearly Any Phone’s Fingerprint Sensor

Think your smartphone's fingerprint sensor is secure? It may not be if this research can lead to a physical master print.

Chances are that your smartphone has a fingerprint scanner built into it to help you unlock your device. One advantage to fingerprint scanners is that it makes it faster to unlock handsets than typing a pin number.

However, it’s also more secure because, as we’re constantly reminded about via CSI-style detective shows, all of us have unique fingerprints. As a result, a fingerprint scanner stops someone else unlocking your phone in the way that they could if you knew your passcode.

Right? Well, kind of.

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