* Only up to date book for the latest version of .NET * Concentrates on Web services not general .NET security * Describes the key aspects of Windows Operating System security, Internet Information Services security, and ASP.NET Security, laying the foundation for a complete discussion of Web Services security in the .NET Platform. * Shows how to use the WS-Security W3C specifications for industry - standard authentication, encryption, authorization, Xml signature, attachments and routing with Web Services. * Teaches the reader how to use the new WSE (Web Services Software Development Kit) from Microsoft. * Shows how to integrate Web Services security into the applications developers write with specific working code examples and explanations.