T. Stelkens-Kobsch, H. Boumann, F. Piekert, M. Schaper, Nils Carstengerdes
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A Concept-Based Validation Approach to Validate Security Systems for Protection of Interconnected Critical Infrastructures
When it comes to securing critical infrastructures, it is evident to not only provide a toolbox which allows to detect when vulnerabilities are exploited but also to support the operations in performing mitigation procedures. This paper explains how a validation was conducted in the Horizon 2020 project PRAETORIAN to evaluate the operational feasibility of a system which observes and manages security within interconnected critical infrastructures. To this end, a concept-based approach involving presentation of scenarios with the help of narrations and visual elements, hands-on experience as well as discussions and questionnaires was used. Some results are discussed to demonstrate the applicability of this approach.