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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. The Espionage Act Is 107 Years Old. Here’s How It’s Used Today.

    3 days ago · The Espionage Act: From Catching Spies to Silencing Sources Congress passed the Espionage Act in June 1917, three months after America entered World War I. The target was …

  3. Former U.S. Navy Sailor Sentenced to 200 Months for Spying for China

    6 days ago · Today, the Justice Department announced that Jinchao Wei, a former U.S. Navy sailor who was convicted of espionage by a federal jury in August 2025, was sentenced in federal court to 200 …

  4. Espionage | international relations | Britannica

    Dec 19, 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 …

  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. Counterintelligence and Espionage — FBI

    Jan 12, 2026 · The FBI is the lead agency for exposing, preventing, and investigating intelligence activities, including espionage, in the U.S.

  7. 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.

  8. 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.

  9. ESPIONAGE | English meaning - Cambridge Dictionary

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

  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.