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Anti-Virus and Anti-Spyware

Even if a computer is protected by a firewall it is still necessary to use anti-virus and anti spy-ware. This is because a firewall only prevents unauthorized outside access, and cannot distinguish between malicious and benign access. It is still possible to inadvertently make a request for information that is harmful, which the firewall views as an authorized transfer.


Anti-virus and anti spy-ware provides another layer of armor for a computer, making it harder for hackers and their malicious programs to penetrate and control a computer. Some well-known anti-virus programs include Norton, Trend Micro PC-cillin, and McAffee. Anti spy-ware programs are also important as they reduce the chances of spyware getting into a computer. Spyware behaves differently than viruses, making it necessary to use different programs to catch it.




Spyware can monitor any activity a computer infected with it performs, or even act as a gateway to download additional spy-ware or viruses. Hackers typically use spy-ware to obtain important information that must remain confidential like credit card numbers, social security numbers, and police records.

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