WS-SecurityPolicy (http://docs.oasis-open.org/ws-sx/ws-securitypolicy/v1.3/os/ws-securitypolicy-1.3-spec-os.html) language is built on top of WS–Policy framework (http://www.w3.org/TR/ws-policy) and defines a set of policy assertions that can be used in a granular way to apply or to secure at message-level, in part of message, at operation-level or even at transport-level or service-level. Those individual policy assertions can be combined using policy operators […]