WS-Security benefits/Feature

• Serialization of security tokens to and from SOAP messages.
• Authentication of security tokens.
• Application and verification of message signatures.
• Encryption and decryption of SOAP messages with ability to specify which parts of the message require encryption
• Multiple types of token, e.g. SAML, X509, Kerberos
• Message signing
• End-to-end security
• Supports many transport layers, not just HTTP