Mainframe Resources:

Arcati Mainframe Yearbook 

Update yourself with the Arcati 2008 Yearbook for mainframe operators.

IBM Mainframe Forum

A Help & Support Forum for Mainframe Beginners and Students.

IBM Mainframe Redbooks

IBM Mainframe Rebook Library.

Mainframe Executive

A new magazine for CIOs and IT managers in enterprises with IBM mainframe systems.

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Open Mainframe

OpenMainframe.org is a forum for exchanging news, views and information related to creating an open market for IBM-compatible mainframe solutions.

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zJournal

Contrary to countless reports, the mainframe is not dead and won't be for a long time. In fact, up to 80 percent of the nation's data is being stored and processed on mainframe computers, With that in mind, z/Journal is dedicated to providing useful, reliable, and interesting information on a wide variety of topics directly relevant to IT professionals using IBM zSeries and S/390 systems.

IAM Resources:

Bank Information Security 

Learn what is happening with latest security, identity and compliancy issues at Bankinfo Security.

Burton Group Blogs

Identity & Privacy

CSO

Security & Risk

Discovering Identity

Mark Dixon's quest to explore the world of Identity Management

IAM Success Tips

Save time, save money, please the auditors, create happy users

David Lundell

My quest to bring Best Practices to Identity Management especially with Microsoft ILM

Kim Cameron's Identity Log

Kim Cameron is Chief Architect of Identity in the Connected Systems Division at Microsoft, where he works on the evolution of Active Directory,  Federation Services,  Identity Lifecycle Manager,  CardSpace and Microsoft’s other Identity Metasystem products.

SAP Community Network

Security and Identity Management 

Virtual Identity Blog

Mark Wilcox is a Principal Product Manager for Oracle. He is responsible for Oracle Virtual Directory, Oracle Communications Universal User Profile and Oracle's Identity Governance Framework implementation. Mark is perhaps best known for writing "Implementing LDAP" (the first book on developing LDAP applications).