An Introduction to On-Access Virus Scanning, Part Two

Wednesday, 18 September 2002, 2:49 PM EST

By now, most savvy computer users have anti-virus software (AV) installed on their machines and use it as part of their regular computing routine. However, most average users do not know how anti-virus software works. This article is the second in a two-part series that will offer a brief overview of a particular type of anti-virus technique known as on-access scanning.

The first article of this series looked at on-access AV scanners, including some of the basic concepts behind these mechanisms. This article will explore some of the strategies that virus writers have adopted to circumvent on-access scanners and the ways that anti-virus developers are in turn reacting to those changes.

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