New “Glowworm attack” recovers audio from devices’ power LEDs

This three-minute video outlines how Glowworm works and gives examples of optically recovered audio. Researchers at Ben-Gurion University of the Negev have demonstrated a novel way to spy on electronic conversations. A new paper released today outlines a novel passive form of the TEMPEST attack called Glowworm, which converts minute fluctuations in the intensity of […]