Information flow analysis of energy management in a smart grid

  • Authors:
  • Ravi Akella;Bruce M. McMillin

  • Affiliations:
  • Department of Computer Science, Missouri University of Science and Technology, Rolla, Missouri;Department of Computer Science, Missouri University of Science and Technology, Rolla, Missouri

  • Venue:
  • SAFECOMP'10 Proceedings of the 29th international conference on Computer safety, reliability, and security
  • Year:
  • 2010

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Abstract

Information flow security within the context of multilevel security deals with ways to avoid unwanted information flow from a high level domain to a low level domain. Several confidentiality and information flow properties have been formalized in literature. However, applying them to Cyber-Physical Systems (CPSs) adds to the challenge of protecting confidentiality. This paper performs an information flow analysis of a future power CPS that has complex information flow and confidentiality requirements. Confidentiality properties such as nondeducibility are applied to the infrastructure considered. The proposed approach provides a unique direction for formalizing information flow properties for such systems with inherent complexity and security requirements.