Audit-Based Access Control for Electronic Health Records

  • Authors:
  • M. A. C. Dekker;S. Etalle

  • Affiliations:
  • Security group, TNO ICT, Delft, The Netherlands;Distributed and Embedded Systems Group, University of Twente, Enschede, The Netherlands

  • Venue:
  • Electronic Notes in Theoretical Computer Science (ENTCS)
  • Year:
  • 2007

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Abstract

Traditional access control mechanisms aim to prevent illegal actions a-priori occurrence, i.e. before granting a request for a document. There are scenarios however where the security decision can not be made on the fly. For these settings we developed a language and a framework for a-posteriori access control. I this paper we show how the framework can be used in a practical scenario. In particular, we work out the example of an Electronic Health Record (EHR) system, we outline the full architecture needed for audit-based access control and we discuss the requirements and limitations of this approach concerning the underlying infrastructure and its users.