This paper studies the influence of behavioral perceived probability on the allocation of attack and defense resources in networked systems based on prospect theory under a game framework.For rational decision-makers,a new security game framework is constructed by integrating the models of the physical system,network attack,and resource allocation.Then,for irrational decision-makers whose decisions depend on perceived rather than true probability,a behavioral security game model is established using prospect theory.Furthermore,in security and behavioral security games,a sufficient and necessary condition is provided to guarantee the convexity and concavity of the expected payoff function with respect to attack and defense resources.Based on this condition,the existence and uniqueness of the optimal allocation of attack and defense resources are analyzed in depth and compared for security and behavioral security games.Furthermore,the effect of behavioral probability on security game is presented.Finally,a simulation example of an unmanned aerial vehicle swarm is taken to demonstrate the effectiveness of the proposed results.
actuator attacksprospect theoryresource allocationsecurity gamebehavioral security game
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