Web Services Security covers everything network security professionals need to know. Includes details on Web Services architecture, SOAP, UDDI, WSDL, XML Signature, XML Encryption, SAML, XACML, XKMS, and more. Mark ONeill is the principal author of Web services security (McGraw-Hill/Osborne, 2003) Mark regularly presents training courses on web services security in London, California, and on the U.S. East Coast.”]
Source: https://www.amazon.co.uk/exec/obidos/ASIN/0072224711/helpnetsecuri-21