The Improving Web Services Security guide shows you how to improve security for your WCF services. It also shows you how to effectively design your authentication, authorization, and communication strategies for WCF. The guidance is task-based and presented in the following parts:

• Part I - Security Fundamentals for Web Services gives you a quick overview of fundamental security concepts as they relate to services, service-oriented design, and Service-Oriented Architecture (SOA.)
• Part II - WCF Security Fundamentals gives you a firm foundation in key WCF security concepts, with special attention on authentication, authorization, and secure communication, as well as WCF binding configurations.
• Part III - Intranet Application Scenarios shows you a set of end-to-end Intranet application scenarios that you can use to jumpstart your application architecture designs with a focus on authentication, authorization, and communication from a WCF perspective for your intranet.
• Part IV - Internet Application Scenarios shows a set of end-to-end Internet application scenarios that you can use to jumpstart your application architecture design for the Internet.