‘The intelligence coup of the century’ - The
For more than half a century, governments all over the world trusted a single company to keep the communications of their spies, soldiers and diplomats secret.
https://archive.ph/va2l7Open linkView original on discuss.tchncs.de
Try this instead https://www.washingtonpost.com/graphics/2020/world/national-security/cia-crypto-encryption-machines-espionage/