Recovering Smartphone Voice from the Accelerometer
Schneier on Security
DECEMBER 30, 2022
Yet another smartphone side-channel attack: “ EarSpy: Spying Caller Speech and Identity through Tiny Vibrations of Smartphone Ear Speakers “: Abstract: Eavesdropping from the user’s smartphone is a well-known threat to the user’s safety and privacy. Existing studies show that loudspeaker reverberation can inject speech into motion sensor readings, leading to speech eavesdropping.
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