Most large corporations tend to keep a similar configuration between the computers connected to their local network. They have the same software installed on the computer, the same security settings and the user has limited control over what they can do, install or the settings they can alter on this machine. However, some computers have to be individualised, depending on their use. This is where holes can appear in your network.
Microsoft Baseline Security Analyser 2.1 is an official tool that should enable you to check a system for potential security holes and problems. Once you've run a scan, you're not left in the dark. You're given a guidance note and information about how you should proceed.
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