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Elizebeth Smith Friedman and her husband William Friedman, two of the NSA's most
Featured Event 1960 Event

June 25

NSA Cryptographers Defect: Cold War Security Shattered

Elizebeth Smith Friedman and her husband William Friedman, two of the NSA's most brilliant cryptographers, abandoned their posts in Mexico to defect to the Soviet Union. Their defection stripped American intelligence of critical decryption expertise during the height of the Cold War, leaving the agency scrambling for replacements while Moscow gained unprecedented access to US codes.

June 25, 1960

66 years ago

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