Delusions of Intelligence（ISBN=9780521736626） 英文原版 2025 chm pdf kindle rb azw3 下载 115盘

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 experts conducted numerous

internal investigations that all certified their ciphers' security,

the Allies continued to break more ciphers and plugged their own

communication leaks. How were the Allies able to so thoroughly

exploit Germany's secret messages? How did they keep their

tremendous success a secret? What flaws in Germany's organization

allowed this counterintelligence failure and how can today's

organizations learn to avoid similar disasters? This book, the

first comparative study of WWII SIGINT (Signals Intelligence),

analyzes the characteristics that allowed the Allies SIGINT success

and that fostered the German blindness to Enigma's compromise.

Introduction: the traitor in our midst

1. Enigma: the development and use of a new technology

2. Early triumph: German intelligence successes

3. Of no mutual assistance: compartmentalization and competition in

German signals intelligence

4. The work of Station X: centralizing Allied cryptology at

Bletchley Park

5. Protecting Boniface: Allied security, disguise, and

dissemination of Ultra

6. The illusion of security: the German explanations for Allied

successes

7. Determined answers: structural problems in German signal

intelligence

8. A long-standing anxiety: Allied communications security

9. Enter the machines: the role of science and machines in the

cryptologic war

Conclusion: ending the era of security

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