Grumpy Old Geeks Topics Acoustic screen surveillance Topic Acoustic screen surveillance 2 mentions in 1 episode The hosts discuss research on using sound captured by a microphone to infer what appears on a screen. Mentions 277: I Am A Cautionary Tale Sep 3, 2018 56:27 Researchers find a way to spy on remote screens through the webcam mic. 57:34 They can hijack the webcam mic and try and figure out what’s going on on the screen