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Chinese Journal of Management Science ›› 2006, Vol. ›› Issue (3): 7-12.

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An Analysis of Games of Information Security Investment Based on Interdependent Security

Lü Jun-jie1, QIU Wan-hua1, WANG Yuan-zhuo2   

  1. 1. School of Economics and Management, Beihang University, Beijing 100083, China;
    2. Information Engineering School, Beijing University of Science and Technology, Beijing 100083, China
  • Received:2005-06-30 Revised:2006-03-23 Online:2006-06-28 Published:2012-03-07

Abstract: Based on the interdependence,which is an important characteristic of information security and the diversity of invasions,an investment game model is presented in this paper.The paper investigates the investment risk exerted by the contagion between firms in the network.With externality representing the risk,the relationship between investment risks and the interdependent extension and the amount of firms in the network is illustrated.By use of the model,the investment risk and decision are analyzed quantitatively and then several Nash equilibrium solutions are provided further.

Key words: information security, interdependence, single invasion, repetitious invasion, externality

CLC Number: