Usage control in service-oriented architectures

  • Authors:
  • Alexander Pretschner;Fabio Massacci;Manuel Hilty

  • Affiliations:
  • Information Security, ETH Zürich, Switzerland;Dept. of Information and Communication Technology, Università degli Studi di Trento, Italy;Information Security, ETH Zürich, Switzerland

  • Venue:
  • TrustBus'07 Proceedings of the 4th international conference on Trust, Privacy and Security in Digital Business
  • Year:
  • 2007

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Abstract

Usage control governs the handling of sensitive data after it has been given away. The enforcement of usage control requirements is a challenge because the service requester in general has no control over the service provider's information processing devices. We analyze applicable trust models, conclude that observation-based enforcement is often more appropriate than enforcement by direct control over the service provider's actions, and present a logical architecture that blends both forms of enforcement with the business logics of serviceoriented architectures.