National Security Agency
From The Art and Popular Culture Encyclopedia
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"The NSA is really tracking every cell phone in the world."--Snowden (film) (2016) |
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The National Security Agency/Central Security Service (NSA/CSS) is a cryptologic intelligence agency of the United States government, administered as part of the United States Department of Defense. Created on November 4, 1952 by President Harry S. Truman, it is responsible for the collection and analysis of foreign communications and foreign signals intelligence, which involves cryptanalysis. It is also responsible for protecting U.S. government communications and information systems from similar agencies elsewhere, which involves cryptography.
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