Cyber Security Terminology Puzzle

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Across
  1. 4. any type of harmful software
  2. 6. software that shields against viruses
  3. 7. used to signin and protect accounts
  4. 8. creates secure connection
  5. 11. data scrambled for safe sending
  6. 12. unique string of numbers
  7. 16. free wifi used in public
  8. 18. hacker that hacks for profit
  9. 20. malware locks user until payment
  10. 21. infects systems
Down
  1. 1. being mean online
  2. 2. online storage
  3. 3. malware pretending to be useful
  4. 5. secure identification of ones account
  5. 9. malware that uses clicks
  6. 10. overloading a network
  7. 13. attacks seeking out personal information
  8. 14. malware that tracks you
  9. 15. shields unauthorized access of data
  10. 17. using personal devices in workplace
  11. 19. malware software that uses ads