The WS-Security specification defines a new SOAP header. To understand what the WS-Security SOAP header contains, I think it would be helpful to look at the schema fragment for the element first. <xs:element name="Security"> <xs:complexType> <xs:sequence> <xs:any processContents="lax" minOccurs="0" maxOccurs="unbounded"> </xs:any> </xs:sequence> <xs:anyAttribute processContents="lax"/> </xs:comple
![Understanding WS-Security](https://cdn-ak-scissors.b.st-hatena.com/image/square/d6e4cb632c7025e9f5e05fd314fbf6dcd6144e8d/height=288;version=1;width=512/https%3A%2F%2Flearn.microsoft.com%2Fen-us%2Fmedia%2Fopen-graph-image.png)