Monday, September 23, 2013

iPhone 5S unlocked with a fake finger



The unique fingerprint sensor in the iPhone 5S has been made less unique after the German Chaos Computer Club (CCC) fooled the iPhone’s Touch ID with a fake fingerprint of the user.

The Chaos Computer club revealed on its website how it was able to successfully show that the mode of security being employed in the new phone is not the best.
iPhone 5S unlocked with a fake finger

The biometric team of the Chaos Computer Club (CCC) has successfully bypassed the biometric security of Apple’s TouchID using easy everyday means. A fingerprint of the phone user, photographed from a glass surface, was enough to create a fake finger that could unlock an iPhone 5S secured with TouchID.” the team revealed.
In reality, Apple’s sensor has just a higher resolution compared to the sensors so far. So we only needed to ramp up the resolution of our fake,” a member of the club, Starbug said.
As we have said now for more than years, fingerprints should not be used to secure anything. You leave them everywhere, and it is far too easy to make fake fingers out of lifted prints.” he said.
The breach was carried out with wood glue, glass, a camera to take a picture of the fingerprint and a laser printer. Fingerprint found on an object (a glass bottle) was photographed at a 2400dpi (density per inch) resolution.
The picture was then printed at 1200dpi (which is considerably higher than TouchID’s 550dpi) onto a transparent sheet. Woodglue or latex was smeared on the print to create a duplicate and left to dry. The print which was breathed to was then used to unlock the iPhone 5S.
“We hope that this finally puts to rest the illusions people have about fingerprint biometrics. It is plain stupid to use something that you can’t change and that you leave everywhere every day as a security token.” CCC spokesman Frank Rieger said.

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