Security News

Ultrasonic Beacons Are Tracking Your Every Movement (Threatpost)
2017-05-05 17:32

More than 200 Android mobile applications listen surreptitiously for ultrasonic beacons embedded in audio that are used to track users and serve them with targeted advertising.

More and more apps equipped with ultrasonic tracking capability (Help Net Security)
2017-05-03 17:36

Researchers have found 234 Android applications that are constantly listening for ultrasonic beacons in the background, allowing companies to track users’ current location or their habits –...

Hundreds of Apps Using Ultrasonic Signals to Silently Track Smartphone Users (The Hackers News)
2017-05-03 09:39

Your smartphone may have some apps that are continuously listening inaudible, high-frequency ultrasonic sounds from your surroundings and they know where you go, what you like and dislike — all...

Ultrasonic Hacking (Schneier on Security)
2016-11-10 18:19

Ad networks are surreptitiously using ultrasonic communications to jump from device to device. It should come as no surprise that this communications channel can be used to hack devices as well....