COMPUTER VIRUSES

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Across
  1. 4. files added to emails and sent to others
  2. 5. a dangerous virus that has a female name
  3. 8. hardware or software that can block viruses
  4. 10. a word that means harmful or dangerous
Down
  1. 1. to download the latest version of software
  2. 2. the name of a popular antivirus software
  3. 3. a payment demanded by some virus creators
  4. 6. software that detects and prevents viruses
  5. 7. to make copies of something over and over
  6. 9. electronic mail used to send messages online