February 07, 2020 Researchers transmit data covertly by altering screen brightness Researchers have retrieved data from a disconnected computer by altering its LCD's pixel density just enough for a camera to pick it up. Naked Security
July 15, 2019 Bust the password for an air-gapped machine – with its keyboard LEDs Researchers have developed a technique for reading data from air-gapped PCs using LEDs. Cue dynamic hacker music now! Naked Security