PIXHELL Attack Allows Air-Gap Jumping via Noise From Screens

September 11, 2024 at 09:06AM Researcher Mordechai Guri introduced the PIXHELL data exfiltration method, exploiting monitor noise to bypass air-gapped computers. This approach, along with other air gap-jumping techniques, poses security threats. Malware manipulates LCD screen pixels to emit sound waves encoding sensitive information. The attack can transmit data at a rate of 5-20 bits … Read more

To Damage OT Systems, Hackers Tap USBs, Old Bugs & Malware

April 30, 2024 at 01:37PM Industrial cyber attackers are increasingly utilizing USB devices to breach operational technology (OT) networks, employing old malware and vulnerabilities. USBs enable attackers to cross air gaps that separate OT and IT networks, making them an effective threat vector. Defenses against these threats include strict USB policies, scanning stations, and file … Read more