Hackers send silent commands to speech recognition systems with ultrasound

 Security researchers in China have invented a clever way of activating voice recognition systems without speaking a word. By using high frequencies inaudible to humans but which register on electronic microphones, they were able to issue commands to every major “intelligent assistant” that were silent to every listener but the target device. Read More
Hackers send silent commands to speech recognition systems with ultrasound was first posted on https://techcrunch.com/gadgets/