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 pixe...