Sending audio commands to smart speakers with frickin' laser beams
A vulnerability of MEMS microphones that allows attackers to remotely inject inaudible and invisible commands into voice assistants, such as Google assistant, Amazon Alexa, Facebook Portal, and Apple Siri using light.
Basically microphones react to light as well as sound waves (big woop) but a neat implementation.
Overview
Full paper: https://lightcommands.com/20191104-Light-Commands.pdf
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