neu...@csl.sri.com
Date: Thu, 7 Sep 2017 21:17:17 PDT
Dolphin attack uses high-frequency sound against voice-based assistants such as Siri.
https://www.theverge.com/2017/9/7/16265906/ultrasound-hack-siri-alexa-google https://techcrunch.com/2017/09/06/hackers-send-silent-commands-to-speech-recognition-systems-with-ultrasound/