Security of Computer

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Across
  1. 2. small text file containing user's information
  2. 4. disrupt use of computer access to internet service
  3. 6. official looking message to scam people.
  4. 12. a program that detect, and remove dangerous programs.
  5. 13. trespasses computer and network to destroy
  6. 14. uses threat and coercion for economic gain
  7. 15. program that replicate itself
Down
  1. 1. politically motivated group of computer experts
  2. 3. less skilled than cracker
  3. 5. secretly monitors user's activity.
  4. 7. engage in malicious act for personal thrills
  5. 8. malicious programs that damages computer.
  6. 9. program that hides and steals information
  7. 10. group of infected computer known as zombies.
  8. 11. convert readable data to encoded character