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Erschienen in:
2015 | OriginalPaper | Buchkapitel
Monitoring Database Access Constraints with an RBAC Metamodel: A Feasibility Study
verfasst von : Lars Hamann, Karsten Sohr, Martin Gogolla
Erschienen in: Engineering Secure Software and Systems
Verlag: Springer International Publishing
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Role-based access control (RBAC) is widely used in organizations for access management. While basic RBAC concepts are present in modern systems, such as operating systems or database management systems, more advanced concepts like history-based separation of duty are not. In this work, we present an approach that validates advanced organizational RBAC policies using a model-based approach against the technical realization applied within a database. This allows a security officer to examine the correct implementation – possibly across multiple applications – of more powerful policies on the database level. We achieve this by monitoring the current state of a database in a UML/OCL validation tool. We assess the applicability of the approach by a non-trivial feasibility study.