Meaning of counterintelligence

coun•ter•in•tel•li•gence

Pronunciation: (koun"tur-in-tel'i-juns), [key]
— n.
  1. the activity of an intelligence service employed in thwarting the efforts of an enemy's intelligence agents to gather information or commit sabotage.
  2. an organization engaged in counterintelligence.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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