Aug 10
31
The swirls of greasy fingerprints and smudges on your smartphone’s screen aren’t just unsightly—they’re also a potential security weakness that can give someone unauthorized access to your phone.
University of Pennsylvania researchers have found a the vulnerability in touchscreen-based security systems. The primary focus of their research was analyzing the swipe-style unlock system on Android phones. They had a surprisingly easy time recreating the access codes on touchscreen systems using nothing more than a camera and a computer with some basic photo-editing software.
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Keep Your Touchscreen Clean to Protect Against Smudge Attacks [Security]