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nounthe systematic use of spies to get military or political secretstype of:
Definition that contains espionage
- security measures taken as a precaution against theft or espionage or sabotage etc.
- spy secretly collect sensitive or classified information; engage in espionage
- mole a spy who works against enemy espionage
- ninja a class of 14th century Japanese who were trained in martial arts and were hired for espionage and assassinations
- ninja a member of the ninja who were trained in martial arts and hired for espionage or sabotage or assassinations; a person skilled in ninjutsu
- operative a person secretly employed in espionage for a government
- ninjutsu the traditional Japanese method of espionage; involves stealthy movements and the use of camouflage
- counterintelligence intelligence activities concerned with identifying and counteracting the threat to security posed by hostile intelligence organizations or by individuals engaged in espionage or sabotage or subversion or terrorism
- infiltrator someone who takes up a position surreptitiously for the purpose of espionage
- tradecraft skill acquired through experience in a trade; often used to discuss skill in espionage