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Authenticated Modbus Protocol for Critical Infrastructure Protection

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1 Author(s)
Phan, R.C.-W. ; Sch. of Electron., Electr. & Syst. Eng., Loughborough Univ., Loughborough, UK

Protecting a nation's critical infrastructure, notably its power grid is crucial in view of increasing threats, such as international terrorism. We focus on the security of the Modbus protocol, a de-facto protocol for distributed control systems popularly used for power plants. Specifically, we analyze the security of a recently proposed authenticated Modbus protocol. We present attacks on the protocol, discuss reasons behind these phenomena, and motivate how these problems can be addressed.

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Power Delivery, IEEE Transactions on  (Volume:27 ,  Issue: 3 )