Cm viruses

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Across
  1. 2. Malware that hides its presence from users/OS (ROOTKIT)
  2. 4. Security system that blocks unauthorized access (FIREWALL)
  3. 8. Software that removes or blocks harmful programs (ANTIVIRUS)
  4. 11. General term for harmful software (MALWARE)
  5. 15. Program that locks files and demands money (RANSOMWARE)
  6. 17. Malicious part of a virus that causes damage (PAYLOAD)
  7. 18. Self-replicating program that spreads over networks (WORM)
  8. 19. Unwanted or junk email messages (SPAM)
  9. 20. Fake messages to trick users into revealing data (PHISHING)
Down
  1. 1. A network of infected computers controlled remotely (BOTNET)
  2. 3. Program that records keystrokes (KEYLOGGER)
  3. 5. A harmful program that disrupts a computer system (VIRUS)
  4. 6. Criminal who breaks into systems (HACKER)
  5. 7. Software that secretly collects user information (SPYWARE)
  6. 9. A malicious code triggered by specific events (LOGICBOMB)
  7. 10. Malicious software that opens a hidden way into a system (BACKDOOR)
  8. 12. Secret code method to secure data (ENCRYPTION)
  9. 13. False warning about non-existent malware (HOAX)
  10. 14. Malware hidden inside useful software (TROJAN)
  11. 16. Software that displays unwanted advertisements (ADWARE)