The modern automobile consists of several Electronic Control Units (ECUs) to support various safety-critical functionalities. The underlying systems are susceptible to safety and cybersecurity attacks as the involved ECUs are interconnected. The security attacks can lead to disrupting the safe operation of the vehicle while causing injury to the passengers. Traditionally, the safety team performs hazard analysis and risk assessment (HARA), while the security team performs threat analysis and risk assessment (TARA) in evaluating the risk associated with security incidents. The safety risk, calculated through HARA, does not consider the impact of security incidents on it. Similarly, the security risk calculated in TARA does not consider all the aspects of functional safety associated with the involved assets. Thus, the aim of this article is to merge the impact of safety hazards and security attacks through a uniform framework, THARA. Consequently, the functional safety requirements and cybersecurity requirements can be aligned with each other. In this article, a case study of the application of the THARA framework is presented through the risk analysis of safety and security threats applicable to the rearview camera (RVC) feature of the vehicle.


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    Title :

    Threat/Hazard Analysis and Risk Assessment: A Framework to Align the Functional Safety and Security Process in Automotive Domain


    Additional title:

    Sae Int. J. Transp. Cyber. and Privacy


    Contributors:

    Conference:

    SAE WCX Digital Summit ; 2021



    Publication date :

    2021-12-17


    Size :

    14 pages




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Threat/Hazard Analysis and Risk Assessment: A Framework to Align the Functional Safety and Security Process in Automotive Domain

    Agrawal, Vivek / Achuthan, Balasubramanian / Ansari, Asadullah et al. | British Library Conference Proceedings | 2021


    THARA - A Framework to Align the Functional Safety and Security Process in Automotive Domain

    Agrawal, Vivek / Achuthan, Balasubramanian / Ansari, Asadullah et al. | British Library Conference Proceedings | 2021



    Threat Analysis and Risk Assessment in Automotive Cyber Security

    Ruddle, Alastair / Ward, David / Ibarra, Ireri | SAE Technical Papers | 2013


    Threat Analysis and Risk Assessment in Automotive Cyber Security

    Ward, D. / Ibarra, I. / Ruddle, A. et al. | British Library Conference Proceedings | 2013