Adaptive and survivable trust management for Internet of Things systems

Abstract

The Internet of Things (IoT) is characterized by the seamless integration of heterogeneous devices into information networks to enable collaborative environments, specifically those concerning the collection of data and exchange of information and services. Security and trustworthiness are among the critical requirements for the effective deployment of IoT systems. However, trust management in IoT is extremely challenging due to its open environment, where the quality of information is often unknown because entities may misbehave. A hybrid context-aware trust and reputation management protocol is presented for fog-based IoT that addresses adaptivity, survivability, and scalability requirements. Through simulation, the effectiveness of the proposed protocol is demonstrated.Hard trust relationships are based on cryptographic mechanisms, which allow external security attacks to be addressed [13]. The hard trust protects entities from vulnerabilities and attacks by, among others, allowing access only to authorized entities. Entities in IoT may be resource constrained and therefore unable to tolerate the load of heavy computations of cryptography-based protocols. However, false orThis is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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