Anfractuosity published a new build:
“Acoustic cryptanalysis is a type of side channel attack that exploits sounds emitted by computers or other devices”
Wavecatcher is a simple PCB that makes use of a MEMS ultrasound microphone, in order to capture audio to around 80kHz, with the goal
of finding interesting ultrasound sources and playing with exfiltrating data from SMPSs etc. via ultrasound.
from Dangerous Prototypes https://ift.tt/2JjNBSb