Counterintelligence involves activities aimed at protecting an organization or nation from espionage and intelligence threats.
A double agent works for two conflicting sides, providing information to both. This entry explores their historical context, categories, key events, detailed explanations, and much more.
A 'mole' is an infiltrator embedded within an organization to act as an informant, often over long periods.
Espionage refers to the act of spying on activities to gather confidential information, often involving both governmental and corporate sectors.
A 'stool pigeon' is a term used to describe a spy or police informant who betrays another person's confidences to the authorities.
