Networking: Trouble for new Microsoft OS?

According to Microsoft, one of Vista's primary features is its network access protection. Often, worms and viruses attack an internal corporate network via mobile PCs -- and handhelds -- that lack the latest security updates or virus signatures. With Vista, mobile computing users will be prevented from linking to a corporate network until they have installed all of the latest security software and met other "security criteria," the company said in a statement.

In addition, Vista is providing outgoing -- as well as incoming -- filtering, which can be centrally managed. Microsoft said this allows network administrators to control which applications are allowed to communicate and which are to be blocked from communicating on the network. Controlling network access is one of the most important ways to mitigate security risk, the Microsoft statement said.

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