Computer Viruses

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