Expressive policy analysis with enhanced system dynamicity

  • Authors:
  • Robert Craven;Jorge Lobo;Jiefei Ma;Alessandra Russo;Emil Lupu;Arosha Bandara

  • Affiliations:
  • Imperial College, London;IBM T.J. Watson Research Center;Imperial College, London;Imperial College, London;Imperial College, London;Open University

  • Venue:
  • Proceedings of the 4th International Symposium on Information, Computer, and Communications Security
  • Year:
  • 2009

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Abstract

Despite several research studies, the effective analysis of policy based systems remains a significant challenge. Policy analysis should at least (i) be expressive (ii) take account of obligations and authorizations, (iii) include a dynamic system model, and (iv) give useful diagnostic information. We present a logic-based policy analysis framework which satisfies these requirements, showing how many significant policy-related properties can be analysed, and we give details of a prototype implementation.