Delusions of Intelligence

By R.A. Ratcliff,

Book cover of Delusions of Intelligence: Enigma, Ultra, and the End of Secure Ciphers

Book description

In 1974, the British government admitted that its WWII secret intelligence organization had read Germany's ciphers on a massive scale. The intelligence from these decrypts influenced the Atlantic, the Eastern Front and Normandy. Why did the Germans never realize the Allies had so thoroughly penetrated their communications? As German intelligence…

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Why read it?

1 author picked Delusions of Intelligence as one of their favorite books. Why do they recommend it?

At my presentations, I am so often asked ‘Didn’t the Germans know the Allies had broken Enigma?’ and ‘Did Germany have something like Bletchley Park?’ This book answers questions like these, and shows, in particular, the unjustified faith the Germans had in the Enigma machine. Believing its ciphers to be unbreakable, they failed to spot evidence of its weaknesses and vulnerability.

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