Security News > 2017 > April > Jumping Airgaps with a Laser and a Scanner (Schneier on Security)

Jumping Airgaps with a Laser and a Scanner (Schneier on Security)
2017-04-28 17:48

Researchers have configured two computers to talk to each other using a laser and a scanner. Scanners work by detecting reflected light on their glass pane. The light creates a charge that the scanner translates into binary, which gets converted into an image. But scanners are sensitive to any changes of light in a room­ -- even when paper is...


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https://www.schneier.com/blog/archives/2017/04/jumping_airgaps.html