How the National Security Agency s Echelon Spy System Works


How the National Security Agency's Echelon Spy System Works

The National Security Agency's (NSA) Echelon system is a top-secret way to intercept and interpret telephone, email, Internet, fax, and other electronic communications all over the world. Because the precise nature of the way it works is classified, we don't have an exact picture of it, but based on public resources, this illustration shows the general outline of how it works.



 



How the Internet Works
How the Internet Works (8th Edition)
ISBN: 0789736268
EAN: 2147483647
Year: 2004
Pages: 223

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