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As smartphones, tablets, smart TVs and other smart devices become more prevalent in our lives, computer scientists have raised concerns that these network-enabled devices, if not properly secured, could be co-opted to steal data or invade user privacy. Now, researchers at the University of Washington have demonstrated how it is possible to transform a smart device into a surveillance tool that can collect information about the body position and movements of the user, as well as other people in the device’s immediate vicinity.
Their approach involves remotely hijacking smart devices to play music embedded with repeating pulses that track a person’s position, body movements and activities both in the vicinity of the device as well as through walls.Image credit: Dennis Wise/University of Washington
