Sécurisation de capteurs/actionneurs sur réseau industriel

Abstract : Today, production systems are facing their 4th revolution. This revolution is digital with increasingly dense and complex networks opening on the outside. This openness makes these systems more vulnerable. The threats on these Cyber-Physical Production Systems (CPPS) are no longer just theoretical. The attacks on the German steel mill or the Wannacry crypto virus are perfect examples. This work proposes a tool contributing to the security of the SCPP. Our contributions are threefold: The design of an Anomaly Detection and Response System (ADRS) placed on the field network. It integrates behavioral and informational detection methods. It also includes passive response capabilities, implementing feedback to the human or to higher level systems, and active integrating order filtering or fallback. The application of the proposed methods naturally entails an additional design effort which must be reduced. We have therefore developed an approach to assist designers in the configuration of our ADRS. It is based on a hybrid approach (component / operation) and extends an existing design flow. Several transformations refine monitoring / supervision views of the components while others generate the configuration of the ADRS. A third contribution proposes a realistic demonstrator based on a virtual test environment. It integrates the joint simulation of the operative part and the control part and makes it possible to show the functional qualities of the solutions in the face of attack or failure scenarios.
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Thomas Toublanc. Sécurisation de capteurs/actionneurs sur réseau industriel. Automatique / Robotique. Université de Bretagne Sud, 2018. Français. ⟨NNT : 2018LORIS512⟩. ⟨tel-02160985⟩

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