March 4, 2018

Hoodwinking Alexa

If you own a smart speaker, you know that it can be fun trying to trick Alexa, Siri or Google into doing or saying something it shouldn’t—like obeying your friend who imitates your voice commands. While such ruses are fun and harmless, the truth is that bad actors are undoubtedly attempting trickery of a more nefarious nature and voice-controlled systems (VCSs) and speech recognition systems (SRSs) can be easily fooled via clever techniques.

In my first article for Speech Technology Magazine, I examine new potential threats to VCSs, including a "DolphinAttack"that uses high frequencies incomprehensible to human ears but detectable by electronic microphones. Read all the details by clicking here.