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Scientist-Developed Malware Covertly Jumps Air Gaps Using Inaudible Sound

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Connecting air-gapped computers to Internet

Topology of a covert mesh network that connects air-gapped computers to the Internet.

Credit: Hanspach and Goetz

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.

From ArsTechnica
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