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2019-12-09
Sandberg, Henrik.  2018.  Control Theory for Practical Cyber-Physical Security: Extended Abstract. Proceedings of the 4th ACM Workshop on Cyber-Physical System Security. :25–26.

In this talk, we discuss how control theory can contribute to the analysis and design of secure cyber-physical systems. We start by reviewing conditions for undetectable false-data injection attacks on feedback control systems. In particular, we highlight how a physical understanding of the controlled process can guide us in the allocation of protective measures. We show that protecting only a few carefully selected actuators or sensors can give indirect protection to many more components. We then illustrate how such analysis is exploited in the design of a resilient control scheme for a microgrid energy management system.