Scientists create malware that communicates using sound, no network required

Straight from camp “what could go wrong” scientists at the Fraunhofer Institute for Communication have developed a proof-of-concept malware that can communicate with other machines nearby, using just standard laptop speakers and microphones.

Computer scientists have developed a malware prototype that uses inaudible audio signals to communicate, a capability that allows the malware to covertly transmit keystrokes and other sensitive data even when infected machines have no network connection.

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