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ABSTRACT: The integration of wireless sensor networks with different network systems gives rise to many research challenges to ensure security, privacy and trust in the overall architecture. The main contribution of this paper is a generic security, privacy and trust framework providing context-aware adaptability, flexibility and scalability which allows customisation of wireless sensor networks to a diverse set of application spaces. Suitable protocols and mechanisms are identified, which when combined according to the framework form a complete toolbox solution which fits the architecture of Beyond 3G environments. Performance evaluation results demonstrate the feasibility and estimate the benefits of the security framework for a variety of scenarios. Copyright © 2008 John Wiley & Sons, Ltd.
Wireless Communications and Mobile Computing 08/2010; 10(9):1193 - 1207. · 0.88 Impact Factor
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Wireless Networks. 01/2010; 16:1493-1510.
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Telecommunication Systems. 01/2007; 35:207-213.
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Proceedings of the Global Telecommunications Conference, 2006. GLOBECOM '06, San Francisco, CA, USA, 27 November - 1 December 2006; 01/2006
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Critical Information Infrastructures Security, First International Workshop, CRITIS 2006, Samos, Greece, August 31 - September 1, 2006, Revised Papers; 01/2006
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ABSTRACT: Sensor networks highly depend on the distributed coopera-tion among network nodes. Trust establishment frameworks provide the means for representing, evaluating, maintaining and distributing trust within the network, and serve as the basis for higher level security ser-vices. This paper provides a state-of-the-art review of trust establishment frameworks for ad hoc and sensor networks. Certain types of frameworks are identified, such as behavior-based and certificate-based, according to their scope, purpose and admissible types of evidence. The review is com-plemented by a comparative study built both on criteria specific to each category and on common criteria, grouped into three distinct classes: supported trust characteristics, complexity and requirements, and de-ployment complexity and flexibility. We then present a trust establish-ment framework targeted for sensor networks that combines aspects from the two alternative approaches on trust establishment on common eval-uation metrics, so that it can uniformly support the needs of nodes with highly diverse network roles and capabilities.
