The use of modelling tools for designing industrial systems is increasingly replacing the documentation production resulting from a classic system design process. One of the problems to be solved in order to fully succeed in this transition is information confidentiality management. In this paper, we propose a model based system design process to manage elements belonging to different levels of confidentiality. The process guarantees a plurality of confidentiality levels in line with Bell-Lapadula security policies for the secure management of system design and specification. This is required for the protection of national and coalition defense information. Application on current modelling tools is also presented.
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Bourdellès et al. (2024) studied this question.
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