Security researchers say they can use ultrasonic waves to hijack voice assistants like Bixby and Siri. Ultrasonic waves are sounds that humans cannot hear, so the hijacking is imperceptible. The attack can be used to reach messages, make fraudulent purchases, or take pictures and listen in to users without their knowledge. The ultrasonic hijack of … Continue reading Researchers Use Ultrasonic Waves to Hijack Digital Voice Assistants