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Erschienen in:
2014 | OriginalPaper | Buchkapitel
Compositional Security Modelling
Structure, Economics, and Behaviour
verfasst von : Tristan Caulfield, David Pym, Julian Williams
Erschienen in: Human Aspects of Information Security, Privacy, and Trust
Verlag: Springer International Publishing
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Security managers face the challenge of formulating and implementing policies that deliver their desired system security postures — for example, their preferred balance of confidentiality, integrity, and availability — within budget (monetary and otherwise). In this paper, we describe a security modelling methodology, grounded in rigorous mathematical systems modelling and economics, that captures the managers’ policies and the behavioural choices of agents operating within the system. Models are executable, so allowing systematic experimental exploration of the system-policy co-design space, and compositional, so managing the complexity of large-scale systems.