SPEAKE(a)R: Turn Speakers to Microphones for Fun and Profit · HackerPapers discussions

SPEAKE(a)R: Turn Speakers to Microphones for Fun and Profit — mentioned by 3eb7988a1663

Wed, 27 Nov 2024 21:33:08 GMT

I believe it is possible to turn a speaker into a microphone. Found a paper which claims to do just that[0]. So, there is no safety anywhere? SPEAKE(a)R: Turn Speakers to Microphones for Fun and Profit It is possible to manipulate the headphones (or earphones) connected to a computer, silently turning them into a pair of eavesdropping microphones - with software alone. The same is also true for some types of loudspeakers. This paper focuses on this threat in a cyber-security context. We present SPEAKE(a)R, a software that can covertly turn the headphones connected to a PC into a microphone.…

Paper and discussion history. A mention is not an endorsement.

SPEAKE(a)R: Turn Speakers to Microphones for Fun and Profit — mentioned by segfaultbuserr

Sun, 26 Jul 2020 18:56:14 GMT

See SPEAKE(a)R: Turn Speakers to Microphones for Fun and Profit https://arxiv.org/abs/1611.07350 If you are a hacker who removed microphones from your computer but is worrying about this exploit, fortunately, a simple mitigation is possible - just put an audio amplifier or unity-gain buffer between the speaker and the audio output port, so the audio signal cannot travel back to the audio chip. Any "Hi-Fi" headphone amplifier can be used, but a $0.5 opamp is enough - a daughterboard can be tiny enough to fit inside a laptop.

Paper and discussion history. A mention is not an endorsement.

SPEAKE(a)R: Turn Speakers to Microphones for Fun and Profit — mentioned by antoinealb

Mon, 05 Nov 2018 01:48:46 GMT

I was able to read it on Arxiv: https://arxiv.org/pdf/1611.07350.pdf

Paper and discussion history. A mention is not an endorsement.