p1

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Across
  1. 2. A scan that runs before the operating system starts. (4,4)
  2. 4. Malicious software disguised as useful software. (5,5)
  3. 5. A harmful program that can copy itself and spread. (5)
  4. 7. The process of keeping antivirus software current. (7)
  5. 9. A virus that spreads automatically through networks. (4)
  6. 10. A system that blocks harmful traffic from entering a network. (8)
Down
  1. 1. Security software that detects and removes viruses. (9)
  2. 3. Software that secretly monitors user activities. (7)
  3. 6. Malware that locks files and demands payment. (10)
  4. 8. Software that shows unwanted advertisements. (6)