Security News > 2015 > November > NSA Lectures on Communications Security from 1973 (Schneier on Security)
2015-11-25 13:06
Newly declassified: "A History of U.S. Communications Security (Volumes I and II)," the David G. Boak Lectures, National Security Agency (NSA), 1973. (The document was initially declassified in 2008. We just got a whole bunch of additional material declassified. Both versions are in the document, so you can compare and see what was kept secret seven years ago.)...
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https://www.schneier.com/blog/archives/2015/11/nsa_lectures_on.html