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HomeTechnologySecure computers can leak data by using speakers to shake smartphones

Secure computers can leak data by using speakers to shake smartphones

Computer systems might transmit extremely confidential information even with out web, Wi-Fi or Bluetooth by utilizing their audio system to transmit ultrasonic noise that vibrates close by smartphones


25 August 2022

Image of a person using a smartphone to hack a computerr code in the dark

A pc might use its audio system to make your telephone vibrate imperceptibly to transmit information to it

PeopleImages/Getty Photographs

Delicate information may very well be stolen from a safe laptop by infecting it with malware that makes its audio system play ultrasonic frequencies to vibrate close by smartphones, encoding the info within the motion.

“Air-gapped” computer systems, which regularly have their Wi-Fi, Bluetooth and web connections disabled, are generally utilized by authorities safety providers and key infrastructure management methods to stop hackers from gaining entry remotely. Mordechai Guri at Ben-Gurion College of the Negev, Israel, has spent …

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