Counterintelligence can be described as activities designed to prevent or thwart spying, intelligence gathering, and sabotage by an enemy or other foreign entity. This guide provides books, articles, reports, websites, and videos on the subject.
The "Game of Pawns: The Glenn Duffie Shriver Story" video dramatizes the incremental steps taken by intelligence officers to recruit Shriver and convince him to apply for jobs with the U.S. State Department and the Central Intelligence Agency.