Networks of Critical Infrastructures: Cost Estimation and Defense of Attacks

Using a graph-theoretic approach, a generalizable operator model for critical infrastructure is discussed and formulated. This model is used to simulate diverse attacker-defender scenarios, and the computational and modelling challenges of such scenarios are discussed. A basic illustration of the model considers different attack strategies as a function of the attacker’s budget, and a more complex illustration uses data from the Anytown model. The applicability of the model to more complex analyses is discussed, and the reader is cautioned that network elements cannot be prioritized by criticality.