New TrojPix Attack Leaks Data From Air-Gapped Systems via Video Cable Emissions

Researchers at Shandong University have developed a method called TrojPix to extract data from air-gapped systems. This technique involves modifying on-screen pixels to produce a faint radio signal that can be transmitted through the video cable. The signal can be decoded by a nearby receiver, allowing data to be leaked from the isolated system. The method relies on malware already being present on the target machine to function. TrojPix exploits the video cable emissions to achieve this data leakage. The technique demonstrates a new way to breach air-gapped systems, but requires initial malware infection to be effective.