My Security Planet » Schneier on Security » Data Leakage Through Power Lines

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Schneier on Security

• 

  Data Leakage Through Power Lines

  Posted: July 15th, 2009, 7:17am CDT

  Tags:    [edit]

  The NSA has known about this for decades: Security researchers found that poor shielding on some keyboard cables means useful data can be leaked about each character typed. By analysing the information leaking onto power circuits, the researchers could see what a target was typing. The attack has been demonstrated to work at a distance of up to 15m, but...