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Antivirus Programs

In the short period of time computer viruses have existed, the antivirus industry has produced an amazing array of antivirus tools. Some are now out of date, replaced by new, more effective techniques. Certainly, new strategies will develop. It's an endless arms race. The appearance of a new virus finding a new vulnerability in the operating system's security will cause a protective response from the companies in the business of antiviral software. The tools will always keep changing. Some are more effective than others, and often an antivirus program will use a combination of techniques.

Dvorak's Virus Tip

Look out for the virus of the future that disables or patches your antivirus software. The KLEZ virus did this to most of the antivirus programs. Eventually, you had to go to the antivirus Web site to get a special scanner and get rid of the nuisance.



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