Using a Smartphone's Microphone and Speakers to Eavesdrop on Passwords

2018-09-05 11:05

It's amazing that this is even possible: "SonarSnoop: Active Acoustic Side-Channel Attacks": Abstract: We report the first active acoustic side-channel attack. Speakers are used to emit human inaudible acoustic signals and the echo is recorded via microphones, turning the acoustic system of a smart phone into a sonar system. The echo signal can be used to profile user interaction with...

News URL

https://www.schneier.com/blog/archives/2018/09/using_a_smartph.html

#smartphone