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About the Author Ram Mohan is a lead solutions architect in integrated identity and security with the commercial, state and local group of Northrop Grumman Information Technology. With over 18 years of industry experience in IT and telecommunications, he is an active contributor to the initiatives of the Smart Card Alliance Physical Access Council and also worked extensively on planning and developing HSPD-12 initiatives during the past year.
Figure 1: Message-Level Security in a Web service-based SOA Web services-based, service-oriented architecture (SOA) environment has opened up a whole new world of opportunities for enterprise security. An identity-enabled SOA