Cyber-Physical Security: A Game Theory Model of Humans Interacting over Control Systems
Scott Backhaus, Russell Bent, James Bono, Ritchie Lee, Brendan Tracey,, David Wolpert, Dongping Xie, and Yildiray Yildiz

TL;DR
This paper introduces a game theory model to simulate interactions between attackers and defenders in cyber-physical control systems, aiding the design of more resilient smart grid infrastructures.
Contribution
It develops a novel game theory framework modeling human decision-making in cyber-physical security scenarios for the first time.
Findings
The model accurately predicts attacker and defender behaviors.
Simulation results assist in designing attack-resilient control systems.
The approach enhances understanding of human factors in cyber-physical security.
Abstract
Recent years have seen increased interest in the design and deployment of smart grid devices and control algorithms. Each of these smart communicating devices represents a potential access point for an intruder spurring research into intruder prevention and detection. However, no security measures are complete, and intruding attackers will compromise smart grid devices leading to the attacker and the system operator interacting via the grid and its control systems. The outcome of these machine-mediated human-human interactions will depend on the design of the physical and control systems mediating the interactions. If these outcomes can be predicted via simulation, they can be used as a tool for designing attack-resilient grids and control systems. However, accurate predictions require good models of not just the physical and control systems, but also of the human decision making. In…
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