Abstract
The rapid uptake of the Wireless Body Area Networks (WBAN) and their services poses unprecedented security requirements. WBAN are evolving to support these requirements. Fulfilling these tasks is challenging as their mobile context is increasingly complex, heterogeneous, and evolving. One potential solution to meet the WBAN security requirements is trust management that helps to reach a more secure and adaptable WBAN environment. Accordingly, this article aims to serve as a brief survey of trust management approaches within intra-WBAN and inter-WBAN. For that, we first summarize trust management concepts, discuss WBAN challenges and classify the attacks on WBAN trust management models. Subsequently, we detail and compare the existing trust based approaches in a WBAN context. We pinpoint their limitations and provide a new classification of these different approaches. We also propose a set of best practices that may help the reader to build a robust and an efficient trust management framework. We complete this survey by highlighting the open future directions and perspectives for research.
Highlights
The huge advances in new technologies and in the IT domain have directly served and positively impacted the e-health domain
We present the different attacks that may occur in the context of Wireless Body Area Networks (WBAN) as well as the trust management requirements related to these attacks
To understand the trust management approaches proposed in literature to secure WBAN, we start by giving a clear definition of the trust concept
Summary
The huge advances in new technologies and in the IT domain have directly served and positively impacted the e-health domain. The WBAN are largely deployed through different use cases. They are mainly used for remote diagnostics, called tele-homecare, or for monitoring patients’ biological signals (such as temperature, blood pressure, heart rate, etc.) during long periods of time. They are employed in combating diabetes, dementia, falls, congestive heart failures, asthma and infertility alongside several other medical contexts that require exhaustive attention and punctual responses. WBAN serve to better monitor patient’s health in real-time and react as much as possible in case of emergency [1]. This reputation can be built during different communications with that node and based on its behavior
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