April 9, 2024SAE technical papers on CD-ROM/SAE technical paper series

Integrating Functional and Component-Level Threat Analyses in Automotive Systems: A Holistic Approach to Risk Assessment

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Authors

BMBill Mazzara IDIssak DavidovichHebrew University of Jerusalem

Discussion

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Implication

Methodological framework shows integrating functional and component risk analyses improves automotive cybersecurity, highlighting enhanced requirement traceability.

Key Points

Integrated threat analysis risk assessment aligns feature-level use cases with component defenses to eliminate gaps and overlaps in vehicles.
Bifurcated risk evaluations under ISO/SAE 21434 isolate feature contexts from hardware vulnerabilities, creating redundancies in mitigation.
Methodological framework partitions user stories into assets and stakeholders to maintain direct risk traceability across agile development cycles.
Unified threat analysis risk assessment enables actionable cybersecurity requirements for software defined vehicles across shorter sprint intervals.

Cite This Study

Mazzara et al. (2024) studied this question.

synapsesocial.com/papers/68e6feb4b6db643587678da0 https://doi.org/10.4271/2024-01-2797

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Implication

Methodological framework shows integrating functional and component risk analyses improves automotive cybersecurity, highlighting enhanced requirement traceability.