Article on applied Web services securtiy with WSE 2.0
Smith's article about WS-Security Drilldown in Web Services Enhancements 2.0 just
showed up on MSDN's Web services Developer Center.
How to use Web Services Enhancements 2.0 to implement security, trust,
and secure conversations in Web services architecture. Also covers the
security-related changes from Web Services Enhancements
It explicilty covers different areas and levels of Web services