Trust-based security models in wireless sensor networks: a survey Online publication date: Thu, 04-Jan-2018
by Sarah Abdelwahab; Tarek Gaber; Mohamed Wahed
International Journal of Computational Intelligence Studies (IJCISTUDIES), Vol. 6, No. 2/3, 2017
Abstract: One of the major challenges facing wireless sensor networks today is the security. The deployment of sensor nodes is usually done in unattended or hostile environment. This makes the networks susceptible to various threats. It is known that sensor nodes suffer from limitations in their resources. Such limitations make the employment of conventional security solutions impractical. Thus, another non-conventional solution, such trust-based security, has been suggested as an effective way to secure WSNs. Recently, many trust models for securing WSNs have been proposed. In this paper, a survey about different WSNs trust model is presented. These models are described and discussed in terms of network architectures, adopted applications, used trust management schemes and applied trust computation methodologies. Also comparisons among these different models are conducted under defined a set of criteria to evaluate their strengths and weaknesses. Last but not least, a discussion of the findings is also given.
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