In this talk i will describe shortly the concept of soft tempest, and show a demo of etherify and sonify. Etherify uses radio frequency leakage from ethernet to exfiltrate data. Sonify uses ultrasound.
Both demos by design use very primitive tools and hardware, and are easy to replicate.
This Talk was translated into multiple languages. The files available for download contain all languages as separate audio-tracks. Most desktop video players allow you to choose between them.
Please look for "audio tracks" in your desktop video player.