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A combined safety-hazards and security-threat analysis method for automotive systems

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Safety and Security appear to be two contradicting overall system features. Traditionally, these two features have been treated separately, but due to increasing awareness of mutual impacts, cross domain knowledge becomes more important. Due to the increasing interlacing of automotive systems with networks (such as Car2X), it is no longer acceptable to assume that safety-critical systems are immune to security risks and vice versa. This paper presents the application and method description of a novel approach for combined safety hazard and security threat analysis. In this paper we present a detailed description of the SAHARA method and an application of this method for an automotive system. We analyze the impact of this novel method and highlight the impacts of security threats on safety targets of the system. The paper describes the experiences gained at application of the method and how safety-critical contribution of successful security attacks can be quantified.




Macher, G., Höller, A., Sporer, H., Armengaud, E., & Kreiner, C. (2015). A combined safety-hazards and security-threat analysis method for automotive systems. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 9338, pp. 237–250). Springer Verlag.

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