Game-based adaptive security in the Internet of Things for eHealth

The Internet of Things (IoT) is enabling the deployment of distributed applications based on ubiquitous computing and convergent networks. Due to its heterogeneous structure, it introduces new security challenges and requirements. Particularly, the security mechanisms implemented in the IoT should adapt to the dynamic context. This paper proposes a game-based model for adaptive security in the IoT, with an emphasis on eHealth applications. We use the trade-off between security-effectiveness and energy-efficiency to evaluate adaptive security strategies. We also present the results of simulation experiments to assess the performance of the proposed model. We show that our model allows extending the lifetime of the smart things by 47% compared to existing models.

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