In 1974, the British government admitted that its WWII secret
來源：香港大書城megBookStore,http://www.megbook.com.hk 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.
目錄：
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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