SecurityRatty: Declassified NSA Document Reveals the Secret History of TEMPEST

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Declassified NSA Document Reveals the Secret History of TEMPEST

2008-04-30 04:00:00 by Threat Level in Wired Security

The secret history of how the nation's spies discovered that their ace equipment was leaking data into the ether has never been told before. But now a declassified NSA document tells how a Bell Telephone engineer stumbled onto a problem that vexes the agency to this day.