Computer Viruses

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Across
  1. 4. Disguises itself as legitimate, useful software. Also a horse.
  2. 7. A type of virus that logs websites and keystrokes.
  3. 9. A type of virus that copies itself endlessly to crash systems. Also found in a garden.
  4. 10. Viruses can be downloaded with an email ......
  5. 12. Locks you out of your computer until demands are met.
  6. 13. You should do this to all downloads to check for viruses.
Down
  1. 1. A piece of code that copies itself and infects other files.
  2. 2. Short for Malicious Software.
  3. 3. Viruses can do this to data to make it unusable.
  4. 5. Viruses can do this to data so it is lost forever.
  5. 6. Frightens people into downloading more malware.
  6. 8. The software you should install on your computer to protect your data files.
  7. 11. Computer viruses spread by _______ themselves.