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      Optimal Timing of Moving Target Defense: A Stackelberg Game Model

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          Abstract

          As an effective approach to thwarting advanced attacks, moving target defense (MTD) has been applied to various domains. Previous works on MTD, however, mainly focus on deciding the sequence of system configurations to be used and have largely ignored the equally important timing problem. Given that both the migration cost and attack time vary over system configurations, it is crucial to jointly optimize the spatial and temporal decisions in MTD to better protect the system from persistent threats. In this work, we propose a Stackelberg game model for MTD where the defender commits to a joint migration and timing strategy to cope with configuration-dependent migration cost and attack time distribution. The defender's problem is formulated as a semi-Markovian decision process and a nearly optimal MTD strategy is derived by exploiting the unique structure of the game.

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          GenProg: A Generic Method for Automatic Software Repair

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            Markov Modeling of Moving Target Defense Games

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              Runtime Defense against Code Injection Attacks Using Replicated Execution

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                Author and article information

                Journal
                30 May 2019
                Article
                1905.13293
                5732247b-b97b-40ae-b764-77e6425177e1

                http://arxiv.org/licenses/nonexclusive-distrib/1.0/

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                cs.GT

                Theoretical computer science
                Theoretical computer science

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