International audienceRecent attacks are better coordinated, difficult to discover, and inflict severe damages to networks. However, existing response systems handle the case of a single ongoing attack. This limitation is due to the lack of an appropriate model that describes coordinated attacks. In this paper, we address this limitation by presenting a new formal description of individual, coordinated, and concurrent attacks. Afterwards, we combine Graph Theory and our attack description in order to model attack graphs that cover the three attacks types. Finally, we show how to automatically generate these attack graphs using a logical approach based on Situation Calculus
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