New PIXHELL Attack Exploits Screen Noise to Exfiltrates Data from Air-Gapped Computers

September 10, 2024 at 07:39AM PIXHELL, a new side-channel attack, targets air-gapped computers by exploiting the “audio gap” to exfiltrate sensitive data using the noise generated by the screen pixels. The attack doesn’t require specialized audio hardware and could bypass air-gapping security measures. Countermeasures include acoustic jammers and monitoring for unusual signals. From the meeting … Read more