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False Targets in Defence Strategies against Intentional Attacks

Volume 5, Number 5, October 2009 - Paper 3  - pp. 433-446


Israel Electric Corporation Ltd., P.O. Box 10, Haifa, 31000, Israel

(Received on January 7, 2008, revised on October 6, 2008)


The paper presents a generalized model of damage caused to a complex multi-state series-parallel system by intentional attacks. The model takes into account the defence strategy that presumes separation and protection of system elements and deployment of false targets. The defence strategy optimization methodology is suggested, based on the assumption that the attacker tries to maximize the expected damage of an attack. An optimization algorithm is presented that uses a universal generating function technique for evaluating the losses caused by system performance reduction and a genetic algorithm for determining the optimal defence strategy. The role of the fault targets in the optimal defence strategy is analyzed. Illustrative example of defence strategy optimization is presented.


References: 11

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