[ASP.NET] Web Services

Aca dejo unos links a webservices, y webcast. Que estoy medio flojo.

Securing Web Services with the Username Token in WSE 3.0 (Part 1)
Securing Web Services with the Username Token in WSE 3.0 (Part 2)
MSDN Webcast: Microsoft ASP.NET and Web Services Security (Level 200)
Building Secure and Interoperable Web Services with WSE (Level 300)
Discover the Advanced Features of ASP.NET 2.0 Web Services (ASMX) (Level 200)