Computer Viruses

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Across
  1. 2. Type of ___
  2. 6. Designed to prevent computer viruses
  3. 8. A system designed to disrupt or disable computer systems
Down
  1. 1. Type of Virus (___ Horse)
  2. 3. A Malicious code to access personal computer information
  3. 4. A barrier that can protect information in a system or network
  4. 5. A Program which is used to access webpages
  5. 7. Unwanted advertising through the internet