Security Crossword

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Across
  1. 2. used to track users
  2. 4. protects against spyware
  3. 7. a connected network of bots
  4. 8. a patch to add new features to a product
  5. 11. shows a user ads constantly
  6. 12. tracks and blocks incoming requests
  7. 14. secret entrance to a system
  8. 16. logs keyboard inputs
  9. 18. stops popups
Down
  1. 1. sets access limits for users
  2. 3. takes your data and demands ransom
  3. 5. an encrypted file
  4. 6. protects network
  5. 9. copy of information
  6. 10. a virus that replicates across computers
  7. 13. used to protect computers from viruses
  8. 15. a fix for software
  9. 17. run code on a remote computer