Popular Samsung, LG Android Phones Open to ‘Spearphone’ Eavesdropping

A Spearphone attacker can use the accelerometer in LG and Samsung phones to remotely eavesdrop on any audio that’s played on speakerphone, including calls, music and voice assistant responses.

A new way to eavesdrop on people’s mobile phone calls has come to light in the form of Spearphone – an attack that makes use of Android devices’ on-board accelerometers (motion sensors) to infer speech from the devices’ speakers.

An acronym for “Speech privacy exploit via accelerometer-sensed reverberations from smartphone loudspeakers,” Spearphone was pioneered by an academic team from the University of Alabama at Birmingham and Rutgers University.

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Source: ThreatPost