May 17, 2018 Alexa, Siri and Google can be tricked by commands you can’t hear Researchers have shown how attackers could trick voice assistants. Naked Security
July 12, 2016 Rigged YouTube videos can use Siri and Google Now to hijack your phone Researchers have demonstrated that "hidden" voice commands can trick voice-activated assistants into doing things like downloading malware. Naked Security
