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A critical issue in developing Web Service-based business applications is the realization of business-level security requirements with system-level security mechanisms using the WS-* standards. Current practice has primarily relied on the engineer's experience and lacks consistency and methodological support. This paper introduces an approach to Web Services security engineering called SOABSE, which systematically models, designs and implements security for a WS-based application from a given set of business-oriented security requirements. It includes 1) a stepwise process that systematically transforms business-level security requirements into system-level WS-* security policies, and relies on 2) a security realization model that maps business-level security objectives to WS-* security realization mechanisms and 3) a security deployment model that sets out the security-oriented Web Service deployment information. A prototype tool supporting the approach is also introduced.
Date of Conference: 14-15 Jan. 2009