Without a doubt, the most influential factor driving the current state of IT security is the ubiquitous presence of Microsoft's dominant Windows operating system on a vast majority of the world's PCs.

Since an estimated 92 percent of the world's desktops were running on Windows products in 2006, according to researchers at Net Applications, it only makes sense that a similar majority of computer viruses have been aimed at users of the software.

At InfoWorld.

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