Does Windows Vista offer any improvements in security over the current iteration of the Windows operating system?
Yes. One major improvement Microsoft is making the Windows operating system with Vista is the introduction of User Account Control (UAC, formerly called Least-privileged User Account or LUA). This change in the Windows privilege model is to help prevent users from running programs that attempt to perform operations that the user doesn’t really intend or authorize. To that end, UAC enables users to run at low privilege most of the time, while being able to easily run applications requiring more privilege as necessary. Microsoft has also upgraded the Security Configuration Wizard to allow developers of third party software greater flexibility in application development and deployment. Plus, Windows Vista includes the Network Access Protection Framework, which enables system administrators to define and enforce policies that require network clients to establish their trustworthiness and compatibility with the network before being given a specified access.
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