Linux Crossword Puzzle

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Across
  1. 1. log file that contains system info as well as login attempts
  2. 3. a form of security that uses a second private check to verify you (app, code, etc)
  3. 6. form of encryption that uses the same key
  4. 8. layer of security that scrutinizes network traffic
  5. 9. one half of an encryption method that uses two keys this key is only used by you
  6. 11. config file that allows you to set limits
  7. 13. one half of an encryption method that uses two keys this key is used by outside sources
  8. 15. form of authentication that uses biological forms of identification
  9. 19. the process of verifying identity
  10. 20. the highest level of privilege on linux
  11. 21. command to run privileged commands, requires a password.
Down
  1. 2. config file for sudo permissions
  2. 4. selection of people with the same permissions
  3. 5. hiding data in another media type
  4. 7. converting data into unreadable text using a key and an algorithm
  5. 10. file that stores password hashes and is restricted to root access.
  6. 12. malicious program designed to damage or steals data
  7. 14. denial of service attack that overwhelms a network with requests
  8. 16. command used to change permission of a file
  9. 17. command to safely edit the suodoers file
  10. 18. the command to change a password