Modern critical infrastructure,such as a water treatment plant,water distribution system,and power grid,are representative of Cyber Physical Systems (CPSs) in which the physical processes are monitored and controlled in real time.One source of complexity in such systems is due to the intra-system interactions and inter-dependencies.Consequently,these systems are a potential target for attackers.When one or more of these infrastructure are attacked,the connected systems may also be affected due to potential cascading effects.In this paper,we report a study to investigate the cascading effects of cyber-attacks on two interdependent critical infrastructure namely,a Secure water treatment plant (SWaT) and a Water Distribution System (WADI).
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