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  1. Espionage - Wikipedia

    Espionage, spying, or intelligence gathering, as a subfield of the intelligence field, is the act of obtaining secret, confidential, or in some way valuable information.

  2. ESPIONAGE Definition & Meaning - Merriam-Webster

    The meaning of ESPIONAGE is the practice of spying or using spies to obtain information about the plans and activities especially of a foreign government or a competing company.

  3. Espionage | international relations | Britannica

    Nov 7, 2025 · espionage, process of obtaining military, political, commercial, or other secret information by means of spies, secret agents, or illegal monitoring devices. Espionage is sometimes …

  4. Espionage Facts - International Spy Museum

    Espionage is defined as the act of spying or using spies, agents, assets, and intelligence officers, as well as technology, to collect secret information, usually through illegal means.

  5. Espionage Cases and Modern Counterintelligence Practices

    Mar 18, 2025 · Espionage cases: Learn about historical cases of spying and modern practices for combating espionage.

  6. Decoding Espionage: Newly Declassified Documents Reveal the Secret ...

    6 days ago · H ow is the history of espionage relevant to the present? How does recent document declassification change our understanding of the Cold War? Spies, Lies, and Algorithms broadly and …

  7. Counterintelligence — FBI

    The FBI is the lead agency for exposing, preventing, and investigating intelligence activities, including espionage, in the U.S.

  8. ESPIONAGE | definition in the Cambridge English Dictionary

    ESPIONAGE meaning: 1. the discovering of secrets, especially political or military information of another country or…. Learn more.

  9. Espionage - New World Encyclopedia

    Espionage is the practice of obtaining confidential information through spying; a practice that often employs covert, clandestine, illegal or unethical behavior. Spies have been used to create political, …

  10. espionage | Wex | US Law | LII / Legal Information Institute

    Espionage is the crime of secretly obtaining or transmitting information without authorization for the purpose of benefiting a foreign power, organization, or entity.