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Chapter 17. Data Security > Computer Viruses

Computer Viruses

One type of computer crime that is a big concern to even the smallest business is the computer virus. A virus is a program developed by a computer vandal who finds pleasure in creating havoc. This program "infects" other programs, causing them to malfunction or to fail completely. Viruses are passed from computer to computer via communications services and by copying diskettes and files from one computer to another. Some viruses will display only messages, others can damage your hard drive and the files stored there. Some virus programs even try to extort money from victims in order to receive a software antidote.

To combat the rapidly growing virus problem, there are a variety of virus protection software programs available on the market (see Table 17-1). The key to selecting one of these programs is to purchase the most current edition and then update it from time to time.


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