Is your monitor glow revealing your data?

Thursday, 16 May 2002, 2:52 PM EST

Marcus Kuhn, an associate professor at Cambridge University in England, presented research Monday showing how anybody with a brawny PC, a special light detector and some lab hardware could reconstruct what a person sees on the screen by catching the reflected glow from the monitor.

The results surprised many security researchers gathered here at the Institute of Electrical and Electronics Engineers' (IEEE) Symposium on Security and Privacy because they had assumed that discerning such detail was impossible.

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