Science Fair Project Encyclopedia
An intelligence agency is a governmental organization devoted to gathering of information by means of espionage (spying), communication interception, cryptoanalysis, cooperation with other institutions, and evaluation of public sources.
Some agencies are involved in assassination, arms sales as well as coups d'etat and other covert operations, in order to support their own or their governments' interests, and the placement of misinformation (propaganda).
- List of intelligence agencies
- List of intelligence gathering disciplines
- Foreign Intelligence Surveillance Court
- Secret police
- Security agency
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