The Cipher Grid

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Across
  1. 1. Modern name for the foreign arm of the KGB
  2. 2. Cyber tactic for stealing login credentials
  3. 4. Spy who defects to another country
  4. 7. Spy's false background story
  5. 9. Method used to pass information
  6. 11. Escape route
  7. 12. Listening device
Down
  1. 1. Technique for intercepting communications
  2. 3. Official notice when an asset is unreliable
  3. 5. Spy without diplomatic cover
  4. 6. Double agent who betrayed the Soviets
  5. 8. CIA's predecessor
  6. 10. Cipher machine used in WWII