Revision crossword

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Across
  1. 2. state where the US Cyber Command is based
  2. 3. group of terrorists devising something bad
  3. 5. money demanded by criminals
  4. 6. city where NATO is headquartered
  5. 9. a criminal
  6. 11. process of agreeing on the terms of something
  7. 12. affected by malicious software
Down
  1. 1. city where the Collective Security Treaty was signed in 1992
  2. 2. software used to disrupt the work of your computer
  3. 4. a Texas-based IT company whose software was used to conduct recent cyber-attack on the USA
  4. 7. the state of being ordered to stay in so as to avoid a virus
  5. 8. a mission to the Moon scheduled for 2021
  6. 10. a sprint-like event for programmers