A Security Flaw in the iPhone Fingerprint Scanner

The iPhone 5s can identify a user by scanning a fingerprint. For those of us who have seen the eyeball scene in the movie Demolition Man, there is a clear problem with this innovation. But if you haven't, Pablo Stanley provides an explanation.


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Thankfully, the Touch ID sensor in the iPhone is capitative. This means it requires a conductive surface to open the phone. So, a thief can't open your phone with a dead finger or a play-doh replica or even a fingerprint lifted off a smooth glass surface you happen to use all the time.

The Touch ID Sensor actually isn't reading your dermis (the outer layer) but rather the layer behind that. Plus, if your phone hasn't been opened for 48 hours, has been rebooted, or Touch ID has failed too many time, you'll have to use the pin.
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