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The increasing integration of computational components and physical systems creates cyber-physical system, which provide new capabilities and possibilities for humans to control and interact with physical machines. However, the correlation of events in cyberspace and physical world also poses new safety and security challenges. This calls for holistic approaches to safety and security analysis for the identification of safety failures and security threats and a better understanding of their interplay. This paper presents the application of two promising methods, i.e. Failure Mode, Vulnerabilities and Effects Analysis (FMVEA) and Combined Harm Assessment of Safety and Security for Information Systems (CHASSIS), to a case study of safety and security co-analysis of cyber-physical systems in the automotive domain. We present the comparison, discuss their applicabilities, and identify future research needs.
Schmittner et al. (Fri,) studied this question.