New acoustic attack named ‘PIXHELL’ can leak secrets from air-gapped systems through LCD monitors without speakers. Malware modulates pixel patterns to induce noise in the 0-22 kHz range, allowing data exfiltration up to 2 meters at 20 bps.
New acoustic attack named ‘PIXHELL’ can leak secrets from air-gapped systems through LCD monitors without speakers. Malware modulates pixel patterns to induce noise in the 0-22 kHz range, allowing data exfiltration up to 2 meters at 20 bps.