New PIXHELL Attack Exploits LCD Screen Noise to Exfiltrate Data from Air-Gapped Computers
A new side-channel attack dubbed PIXHELL could be abused to target air-gapped computers by breaching the “audio gap” and exfiltrating sensitive information by taking advantage of the noise generated by pixels on an LCD screen.
“Malware in the air-gap and audio-gap computers generates crafted pixel patterns that produce noise in the frequency range of 0 – 22 kHz,” Dr. Mordechai Guri, the head of
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