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by Robin_Message
5084 days ago
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You're thinking of Optical Time-Domain Eavesdropping Risks of CRT Displays by Markus G. Kuhn in Proceedings of the 2002 IEEE Symposium on Security and Privacy, Berkeley, California, 12–15 May 2002. Available here: http://www.cl.cam.ac.uk/~mgk25/ieee02-optical.pdf Pretty amazing that this actually works, just using a high-speed photo-sensor – and doesn't even require line of sight, a reflection off a wall is enough. Unfortunately, I don't think it will work on LCD screens. |
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