Flatbed Scanners Used as Relay Point for Controlling Malware in Air-Gapped Systems

Found on Bleeping Computer on Saturday, 01 April 2017
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For this technique to work, two conditions must be met. First, the flatbed scanner lid must be left open in an upright position so an attacker can aim light beams at its sensors.

Second, an attacker must find a way to install malware on an air-gapped system.

Similarly, scientists hacked a smart lightbulb that was installed in the same room as the air-gapped PC, and made it pulsate in a controlled manner that relayed commands to the scanner, and to the attached air-gapped PC.

From the headline, the news sound pretty interesting, but with the requirements it is highly unlikely to be seen in the wild instead of being just a proof of concept.