One of the most common questions customers ask is, "Why should we upgrade to Windows Vista?" There are a lot of reasons to upgrade, but the new security features are among the most compelling. Security was a top priority during Windows Vista development, and Microsoft believes the new operating system is fundamentally more secure than previous versions of Windows. In this article, Anthony (A.J.) Smith and Ned Gnichtell describe some of the most important security features introduced with Windows Vista.

Source:→ Microsoft