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Chapter 16. A NETWORK SECURITY PRIMER > Fighting Against Viruses

Fighting Against Viruses

Another threat to your network's security is the virus. A virus is a self-replicating piece of software code. Because a virus can copy itself, it can easily (and unfortunately) be spread from computer to computer.

Note

Although many viruses are actually executable programs that, when launched, replicate and damage your computer system, there are other types of viruses (such as macro viruses) that can hide in a document or spreadsheet rather than an executable file. If you open the file containing the virus, you infect your computer system.



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