The Allies had broken most of the Nazi codes during WWII but they still withheld information from commanders unless the information concerned an absolutely stra

The Allies had broken most of the Nazi codes during WWII but they still withheld information from commanders unless the information concerned an absolutely strategic battlefield that hang on the balance. Better suffer a few dead or some minor setbacks than let the Germans grow suspicious and start doubting their cryptography. Morale of the story: unless you're the next Osama or Showden or some major narco-trafficker it doesn't apply to you.