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Secure computers can leak data by using speakers to shake smartphones | #computerhacking | #hacking | #hacking | #aihp


Computers could transmit highly confidential data even without internet, Wi-Fi or Bluetooth by using their speakers to transmit ultrasonic noise that vibrates nearby smartphones

Technology



25 August 2022

A computer could use its speakers to make your phone vibrate imperceptibly to transmit data to it

PeopleImages/Getty Images

Sensitive data could be stolen from secure computers by infecting it with malware that makes the computer’s speakers play ultrasonic frequencies to vibrate nearby smartphones and encode the data in the movement.

“Air-gapped” computers, which often have their Wi-Fi, Bluetooth and internet connections disabled, are commonly used by government security services and key infrastructure control systems to prevent hackers from gaining access remotely, but Mordechai Guri at Ben-Gurion University of the Negev, Israel, …

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