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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 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.

  4. Espionage | international relations | Britannica

    Oct 16, 2025 · espionage, process of obtaining military, political, commercial, or other secret information by means of spies, secret agents, or illegal monitoring devices. Espionage is …

  5. Counterintelligence — FBI

    Sep 11, 2025 · The FBI is the lead agency for exposing, preventing, and investigating intelligence activities, including espionage, in the U.S.

  6. Espionage Cases and Modern Counterintelligence Practices

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

  7. 18 U.S. Code Chapter 37 Part I - ESPIONAGE AND CENSORSHIP

    LII U.S. Code Title 18 PART I CHAPTER 37 Quick search by citation: Title Section

  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 Act of 1917 and Sedition Act of 1918 (1917-1918 ...

    Congress passed the Espionage Act shortly after the U.S. entered the war. The Act made it a crime to convey information intended to interfere with the war effort. Later, the Sedition Act …

  10. Click on the links to learn the difference between Espionage, Economic Espionage, Trade Secret Theft, and ITAR/EAR Violations and find out which ones apply to you.