Microsoft Baseline Security Analyzer

The software tool released by Microsoft to determine security state by assessing missing security updates and less-secure security settings within Microsoft Windows and its components, Internet Explorer, IIS web server, etc., and Microsoft products such as SQL Server, Microsoft Office, etc.:

Microsoft Baseline Security Analyzer (MBSA)

[Microsoft Baseline Security Analyzer can be downloaded from the following page:
http://technet.microsoft.com/en-us/security/cc184923.aspx]