www.microsoft.com
Microsoft now offers a security specialization for the MCSA and MCSE tracks, requiring two exams in addition to the basic certification requirements:
Implementing and Administering Security in a Microsoft Windows Server 2003 Network
Installing, Configuring, and Administering Microsoft Internet Security and Acceleration (ISA) Server 2000, Enterprise Edition
Implementing Microsoft Internet Security and Acceleration (ISA) Server 2004
CompTIA Security+
The MCSE Security Specialization also requires one additional design exam: Designing Security for a Microsoft Windows Server 2003 Network