One common smartphone sensor that never seemed to pose much of a threat might in fact be the key to eavesdropping on a stranger’s conversation from afar. According to Wired, a group of researchers from Stanford University and the Israeli defense research group Rafael are going to hold a presentation at the Usenix security conference next week that will demonstrate how the gyroscope in your phone can be converted into “crude microphones” which can pick up sound waves in the area.
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