Voice assistants could be fooled by commands you can’t even hear

Many people already consider voice assistants to be too invasive to let them listen in on conversations in their homes — but that’s not the only thing they should worry about. Researchers from the University of California, Berkeley, want you to know that they might be also be vulnerable to attacks that you’ll never hear coming. In a new paper (PDF), Nicholas Carlini and David Wagner describe a method to imperceptibly modify an audio file so as to deliver a secret command; the embedded instruction is inaudible to the human ear, so there’s no easy way of telling when Alexa…

This story continues at The Next Web