Cossword clues related to espionage and the spy game

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Across
  1. 5. MISSION Agent’s clandestine operation term for infiltration –
  2. 6. HAVENS Secret agent’s physical hideout (plural)
  3. 8. THRILLER Spy movie genre subcategory emphasizing realism –
  4. 11. CROSS Term for a spy who is also a double agent working for two sides
  5. 12. Espionage technique involving disguise and false identities
  6. 13. An agent who secretly passes information to the enemy
  7. 14. Story A secret agent’s false backstory or cover identity
  8. 17. Spy’s encrypted message or data
  9. 18. Term for an agent who feeds false information
  10. 19. The act of secretly intercepting communications
  11. 20. Spy craft involving invisible ink or hidden writing
  12. 21. DECRYPTION Code-breaking process used by spies (2 words)
  13. 23. Famous fictional spy organization created by Ian Fleming
Down
  1. 1. FUCHS Famous double agent who betrayed the Allies in WWII
  2. 2. Historical espionage agency of the Soviet Union
  3. 3. Spy’s clandestine courier or messenger
  4. 4. Espionage operation involving infiltration of enemy ranks
  5. 6. CODE Cryptic communication device used by spies (2 words)
  6. 7. BRIEFING Term for a secret, unpublished intelligence report
  7. 8. TAILOR, SOLDIER, SPY Famous espionage novel by John le Carré
  8. 9. CARRE Spy novelist credited with "The Spy Who Came in from the Cold"
  9. 10. DROP A clandestine meeting for exchanging secrets
  10. 15. DESIGNATION Code name for a covert operation (e.g., "Operation Neptune")
  11. 16. Term for a covert listening device (short)
  12. 22. A spy’s source of clandestine information (plural)