Security

A relatively objective high-level view of Windows vs. Unix security, providing things to think about rather than saying which is better

From the paper: "This paper presents several methods of bypassing the protection mechanism built into Microsoft’s Windows 2003 Server that attempts to prevent the exploitation of stack based buffer overflows. Recommendations about how to thwart these attacks are made where appropriate." (PDF)

"An edited listing of recent vulnerabilities discovered by the eEye Research Team. Full details of each vulnerability will be disclosed to the public at the time a patch is released from the vendor."

Paper explaining Microsoft's "trustworthy computing" initiative

Microsoft Developer's Network (MSDN) - Bugs Database

The U.S. National Security Agency's Security Configuration Guides for proprietary and open source software

Web archive of many popular security mailing lists

Security advisories from the Secunia corporation organized by product. Some advisories contain multiple vulnerabilities.