Security as a principle of war. It’s not sheer bloody-mindedness
that causes captured spies to be shot in wartime. Information
can usually be calculated in lives saved or lost. If you know
what the enemy is up to while concealing your own plans, your
chances of success increase immensely. The crucial Battle of
Midway in 1942 was won largely because the United States had
broken the Japanese codes. The Japanese, however, knew little of
the the U.S. forces’ deployment, of that the Americans were
reading their coded messages. Good security capability enables
you to achieve the most crucial of combat advantages—surprise.
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