SKMA: a key management architecture for SCADA systems

Authors:
Robert Dawson;Colin Boyd;Ed Dawson;Juan Manuel González Nieto
Affiliations:
Information Security Institute, Queensland University of Technology, Brisbane, QLD, Australia;Information Security Institute, Queensland University of Technology, Brisbane, QLD, Australia;Information Security Institute, Queensland University of Technology, Brisbane, QLD, Australia;Information Security Institute, Queensland University of Technology, Brisbane, QLD, Australia
Venue:
ACSW Frontiers '06 Proceedings of the 2006 Australasian workshops on Grid computing and e-research - Volume 54
Year:
2006

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Abstract

Supervisory Control And Data Acquisition (SCADA) systems are widely used in the management of critical infrastructure such as electricity and water distribution systems. Currently there is little understanding of how to best protect SCADA systems from malicious attacks. We review the constraints and requirements for SCADA security and propose a suitable architecture (SKMA) for secure SCADA communications. The architecture includes a proposed key management protocol (SKMP). We compare the architecture with a previous proposal from Sandia Labs.