olemus
väljastus kahjurvaralt arvuti valjuhääldile, ultraheliribas:
- tundlike andmete saatmiseks
- kahjurvara levitamiseks
=
using by malware a compromised computer's sound card and speakers to send data hided in covert ultrasonic radiation

ülevaateid
https://www.audicus.com/acoustic-malware-the-latest-threat-to-computers/

https://blog.systoolsgroup.com/malware-through-soundwaves/