The TechNet Update Management Center has all the nformation to help you manage the software and security updates you need to deploy to the servers, desktop PCs, and mobile computers in your organisation.
http://www.microsoft.com/technet/updatemanagement/default.mspx

Available in text and HTML formats, the newsletter offers the latest news on the issues, insights, and events surrounding Microsoft security, including:

Security tips
Security bulletins and updates
Editorials from Microsoft executives and security experts
Webcasts and chats
Online and in-person security events
Microsoft Hands-On Security Labs
Community news and other relevant security information
Biographies of Most Valuable Professionals in security
Security guides, resources, and best practices
Security blogs, newsgroups, and related websites
Microsoft product lifecycle information

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