The CIA's " Minerva " secret, Operation Condor.

[bob10]

From the National Archives. Operation Condor countries used Crypto AG devices without knowing the CIA owned the company. The Swiss encryption company was owned by US and German Intelligence Agencies. This raises questions about US official knowledge of Argentina's " dirty war' atrocities, Chile's Letelier assassination, & Southern Cone military dictatorships.

The CIA's ‘Minerva’ Secret | National Security Archive (https://nsarchive.gwu.edu/briefing-book/chile-cyber-vault-intelligence-southern-cone/2020-02-11/cias-minerva-secret?eType=EmailBlastContent&eId=5b509d5e-ef5c-460d-9af7-ad29fe821feb)

[bob10]

One of the most closely guarded secrets of the Cold War. The intelligence coup of the century, for years the USA read the encrpted communications of allies and adversaries.

https://www.washingtonpost.com/graphics/2020/world/national-security/cia-crypto-encryption-machines-espionage/

[bob10]

The gentlemen's agreement behind the intelligence coup of the century.

Hagelin and Friedman: The Gentlemen’s Understanding Behind “The Intelligence Coup of the Century” | National Security Archive (https://nsarchive.gwu.edu/briefing-book/cyber-vault/2020-02-19/hagelin-friedman-gentlemens-understanding-behind-intelligence-coup-century?eType=EmailBlastContent&eId=78da8536-84f2-47dd-8937-11b907c7109b)