Code Warriors: NSA's Codebreakers and the Secret Intelligence War Against the Soviet Union by Stephen Budiansky, 2016
Stephen Budiansky—a longtime expert in cryptology—tells the fascinating story of how NSA came to be, from its roots in World War II through the fall of the Berlin Wall. Along the way, he guides us through the fascinating challenges faced by cryptanalysts, and how they broke some of the most complicated codes of the 20th c.
Everything you need to know about so-called 'Swiss Privacy' we learned decades ago from Operation Thesaurus, AKA, Operation Rubicon. We learned that CIA operations and black budget banking are actually headquartered in the Swiss underground.
If you trust any third-party server to protect your privacy, you're a rube. If you trust Proton Mail to protect your privacy, you're a rube getting 'crossed' by the Swiss Rubi-con. Either you own your keys and your data on your computer or else you have no privacy. Someone else's promise that your data will be 'encrypted' so they can't decipher it is a hollow pledge. If you send any form of plaintext to a remote server, no matter how much they claim to encrypt it, you have zero assurance of data privacy.
Swiss authorities intervene, Proton Mail not blocked in India ( www.moneycontrol.com )