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A Formal Approach to Cyber-Physical Attacks

机译:一种用于网络物理攻击的正式方法

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We apply formal methods to lay and streamline theoretical foundations to reason about Cyber-Physical Systems (CPSs) and cyber-physical attacks. We focus on integrity and DoS attacks to sensors and actuators of CPSs, and on the timing aspects of these attacks. Our contributions are threefold: (1) we define a hybrid process calculus to model both CPSs and cyber-physical attacks; (2) we define a threat model of cyber-physical attacks and provide the means to assess attack tolerance/vulnerability with respect to a given attack; (3) we formalise how to estimate the impact of a successful attack on a CPS and investigate possible quantifications of the success chances of an attack. We illustrate definitions and results by means of a non-trivial engineering application.
机译:我们采用正式的方法来奠定和简化理论上的理论基础,以推理网络 - 物理系统(CPS)和网络物理攻击。我们专注于CPSS的传感器和执行器的完整性和DOS攻击,以及这些攻击的时序方面。我们的贡献是三倍:(1)我们定义了混合过程结石,以模拟CPS和网络物理攻击; (2)我们定义网络物理攻击的威胁模型,并提供了对给定攻击的攻击公差/漏洞的手段; (3)我们正规化如何估计成功攻击对CPS的影响,并调查攻击成功机会的可能量化。我们通过非琐碎的工程应用说明定义和结果。

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