Security News > 2017 > April > 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...
News URL
https://www.schneier.com/blog/archives/2017/04/jumping_airgaps.html