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Definition: In the context of Web search, a virus is a piece of software or code that is specifically designed to make its way onto a user's computer without their express permission. A virus can:
  • self-replicate to a point where it actually controls the operating system
  • erase hard drives and memory
  • manipulates a computer to do what it wasn't originally meant to do

How to protect yourself against a virus

Also Known As: malware, spyware

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