首页|Optimal Defense Strategies for DDoS Defender Using Bayesian Game Model

Optimal Defense Strategies for DDoS Defender Using Bayesian Game Model

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In a typical DDoS attack and defense scenario, both the attacker and the defender will take actions to maximize their utilities。 However, each player does not know his opponent's investment and cannot adopt the optimal strategies。 We formalize a Bayesian game model to handle these uncertainties and specify two problems usually faced by the defender when choosing defense measures。 A nonlinear programming method is proposed to handle policies' permutation in order to maximize the defender's utility。 Followed the Nash equilibrium, security administrators can take optimal strategies。 Finally, the practicality and effectiveness of the model and method are illustrated by an example。

DDoS defenseBayesian gameNonlinear Programming

Yuling Liu、Dengguo Feng、Yifeng Lian、Kai Chen、Yingjun Zhang

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Laboratory of Trusted Computing and Information Assurance, Institute of Software, Chinese Academy of Science, Beijing 100190, China,University of Chinese Academy of Sciences, Beijing 100049, China

Laboratory of Trusted Computing and Information Assurance, Institute of Software, Chinese Academy of Science, Beijing 100190, China

University of Chinese Academy of Sciences, Beijing 100049, China

International conference on information security practice and experience

Lanzhou(CN)

Information security practice and experience

44-59

2013