Voice assistants susceptible to hijack

Google Home, right, sits on display near a Pixel phone following a product event, in San Francisco. Voice assistants such as Google Home, Apple's Siri and Amazon Alexa have always been susceptible to accidental hijack. Burger King's manipulation of Google Home illustrates the vulnerabilities intrinsic to voice assistants that can be targeted by brands, or worse, hackers. But the stunt might help speed up the next developments for home voice assistants: individual voice recognition and even image recognition. Photo Nampa/AP