A Viewpoint-Based Approach for Formal Safety & Security Assessment of System Architectures

Abstract : We propose an model-based approach to address safety and security assessment of a system architecture. We present an integrated process where system engineers design the model of the system architecture, safety and security engineers specify the propagation of failures and attacks inside each component of the architecture using their dedicated tool. They also define the failure modes that have to be merged from both disciplines. The underlying analyses are then performed using Alloy. We instantiate this approach with the system engineering tool Melody from Thales, and the risk analysis supporting tool Safety Architect from All4Tec. We illustrate this work on a system that implements a landing approach of an aircraft.
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Submitted on : Thursday, October 2, 2014 - 5:45:42 PM
Last modification on : Tuesday, March 26, 2019 - 2:28:03 PM
Long-term archiving on : Saturday, January 3, 2015 - 11:20:39 AM

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Julien Brunel, David Chemouil, Laurent Rioux, Mohamed Bakkali, Frédérique Vallée. A Viewpoint-Based Approach for Formal Safety & Security Assessment of System Architectures. 11th Workshop on Model-Driven Engineering, Verification and Validation, Sep 2014, Spain. pp.39-48. ⟨hal-01070960⟩

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