Research has shown a rise in the use of a concerning tracking technology. Using it, apps exploit the microphone on our phones to listen out for special ultrasonic audio clips, which can reveal a lot about our activity.
A University College London team is spotlighting the threat of ultrasound monitoring posed by mobile apps. Besides tracking your television habits and browsing history, ultrasound access could also provide pathways for hacking.
The Federal Trade Commission (FTC) has issued warnings to 12 Android developers for including software that listens for signals in certain television commercials in their apps without letting users know about it.