Technical Overview of the Security Features in the Windows Azure Platform: http://www.microsoft.com/online/legal/?langid=en-us&docid=11.

Windows Azure Security Overview: http://www.globalfoundationservices.com/security/documents/WindowsAzureSecurityOverview1_0Aug2010.pdf

Windows Azure Privacy: http://www.microsoft.com/online/legal/?langid=en-us&docid=11

Securing Microsoft Cloud Infrastructure: http://www.globalfoundationservices.com/security/documents/SecuringtheMSCloudMay09.pdf.

Security Best Practices For Developing Windows Azure Applications:  http://www.globalfoundationservices.com/security/documents/SecurityBestPracticesWindowsAzureApps.pdf