Olivia Ellis: Virus Crossword

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Across
  1. 4. received 2 emails about a severe storm
  2. 8. virus named after a greek myth
  3. 9. discovered July 16, 2001
  4. 11. some viruses can cause this
  5. 14. named after an itchy rash
  6. 15. unwanted installed software
Down
  1. 1. a trojan horse virus that was discovered in 1999
  2. 2. affected about 3.6 million computers
  3. 3. operating information used on a computer
  4. 5. one of the first biggest and scariest viruses
  5. 6. still out there/ can still infect computers
  6. 7. replicating virus
  7. 10. spreads through mail programs
  8. 12. helps protects computers from viruses
  9. 13. distributed denial of service