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2020-09-21
Ding, Hongfa, Peng, Changgen, Tian, Youliang, Xiang, Shuwen.  2019.  A Game Theoretical Analysis of Risk Adaptive Access Control for Privacy Preserving. 2019 International Conference on Networking and Network Applications (NaNA). :253–258.

More and more security and privacy issues are arising as new technologies, such as big data and cloud computing, are widely applied in nowadays. For decreasing the privacy breaches in access control system under opening and cross-domain environment. In this paper, we suggest a game and risk based access model for privacy preserving by employing Shannon information and game theory. After defining the notions of Privacy Risk and Privacy Violation Access, a high-level framework of game theoretical risk based access control is proposed. Further, we present formulas for estimating the risk value of access request and user, construct and analyze the game model of the proposed access control by using a multi-stage two player game. There exists sub-game perfect Nash equilibrium each stage in the risk based access control and it's suitable to protect the privacy by limiting the privacy violation access requests.