Air Gap Attack is Real
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The idea of an "air gap" security attack, in which the gap of air between a pair of devices can be used to transmit a sound that controls a device, sounds like something out of science fiction. Yet this past week consulting firm Include Security publicly demonstrated a potential air gap attack at the SchmooCon conference.
Erik Cabetas, managing partner, Include Security, explained to eSecurity Planet that his group used a pair of commodity Dell notebook computers in an attempt to implement a proof-of-concept air gap type of attack. The idea was to see if it would be possible to demonstrate a form of high-frequency audio exfiltration attack.