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Police 3D print murder victim’s finger to unlock his phone – Graham Cluley Security News

by • July 24, 2016 • No Comments

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Fusionreports:
A man was murdered, and the police ponder there can be clues to who murdered him stored in his phone. But they can’t get access to the phone without his fingerprint or passcode. So instead of asking the company that turn it intod the phone to grant them access, they’re going another route: having the Jain lab turn it into a 3D printed replica of the victim’s fingers. With them, they hope to unlock the phone.
The numerous media reports I’ve read of this case don’t mention what type of smartphone the police are attempting to break into, but my hunch is that it is an Android.
There are a few big differences between how iOS and Android devices implement fingerprint authentication, and a few of the create decisions Apple turn it intod manufacture the scenario mentioned above highly unlikely.
For instance, an iPhone or iPad can time out the fingerprint sensor each time the device is restarted or after 48 hours of inactivity, requiring you to enter your passcode instead.
But, on Android 4.4 – 5.1.1 the fingerprint unlock *never* expires. Even with Android 6.0 Marshmallow, that adds an official fingerprint authentication API for the initially time, I don’t believe there are any set requirements for when the fingerprint unlock should expire.
It appears to me that fingerprint security has been somehow sloppy generally on Android, with a few smartphones actually storing unencrypted images of users’ fingerprints in a non-protected folder.

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