Polish electro-magnetic device created to help decipher Enigma cipher machine settings early precursor to the modern computer.

Blownĭiscovery of an agent's true identity or a clandestine activity's real purpose. BlowbackĪ deception planted abroad by an intelligence agency to mislead another country that returns to the originating nation with bad consequences. Black PropagandaĪ disinformation that is deniable by (and not traceable to) its source. Black OperationsĬovert operations that are not attributable to the organization performing them. Secret entry into a home or office to steal or copy materials. Slang used by British Intelligence for a spy.

Bang and Burnĭemolition and sabotage operations. AssetĪ clandestine source or method, usually an agent.Īn agent who pays spies and bribes authorities. Agent-of-InfluenceĪ person who works within the government or media of a target country to influence national policy. Agent-in-PlaceĪ government employee who is influenced to cooperate with a foreign government instead of defecting now working for two employers instead of one. A B C D E F G H I J K L M N O P Q R S T U V W X Y ZĪ person unofficially employed by an intelligence service, often as a source of information. Check out our glossary of spy terms and code words. Put in the work here and you’ll be talking the talk in no time. If you expect to make it out there, you’re going to need to learn the lingo.

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