The success of these operations can be measured by the fact that by 1943 the Germans were almost wholly dependent on double agents for news of what was going on in the United Kingdom; intercepted and decrypted radio traffic showed the Allies how extensively the enemy was accepting disinformation and acting on it.
Sir Michael Howard explains how.
In Britain, extremely tight communications security made possible the apprehension and control of virtually all active enemy agents.
The success of these operations can be measured by the fact that by 1943 the Germans were almost wholly dependent on double agents for news of what was going on in the United Kingdom; intercepted and decrypted radio traffic showed the Allies how extensively the enemy was accepting disinformation and acting on it
