MPBSD: A Moving Target Defense Approach for Base Station Security in Wireless Sensor Networks
This paper addresses one major concern on how to secure the location information of a base station in a compromised Wireless Sensor Network (WSN). In this concern, disrupting or damaging the wireless base station can be catastrophic for a WSN. To aid in t
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Department of Computing Security, Rochester Institute of Technology, Rochester, NY 14623, USA [email protected] Florida Cyber Security Center, University of South Florida, Tampa, FL 33620, USA [email protected]
Abstract. This paper addresses one major concern on how to secure the location information of a base station in a compromised Wireless Sensor Network (WSN). In this concern, disrupting or damaging the wireless base station can be catastrophic for a WSN. To aid in the mitigation of this challenge, we present Moving Proximity Base Station Defense (MPBSD), a Moving Target Defense (MTD) approach to concealing the location of a base station within a WSN. In this approach, we employ multiple base stations to serve a WSN where one of the multiple base stations is elected to serve the WSN in a specific period of time. Specifically, our approach periodically changes the designation over a period of time to provide obscurity in the location information of the base station. We further evaluate MPBSD using a real-world testbed environment utilizing Wi-Fi frequencies. Our results show that MPBSD is an effective MTD approach to securing base stations for a WSN in term of sensory performance such as end-to-end delay. Keywords: Wireless Sensor Network Security
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Moving Target Defense
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Introduction
Sensory-based infrastructures including Internet of Things (IoT) and Wireless Sensor Networks (WSN) provide many methods for data accessibility such as localization tracking, smart homes, and metric evaluation. Although IoT and WSN make significant impacts on various fields of use, the base station—in which each sensory node communicates to—can be manipulated or subdued to adverse cyber attacks. There have been numerous approaches to identifying and securing a base station such as the implementation of an Intrusion Detection Systems (IDS) [1], an approach to increasing the anonymity of a base station [2], and an intrusion-tolerant routing solution (INSENS) [3]. Yet none, to the best of our knowledge, has examine Moving Target Defense (MTD) for securing a WSN base station. c Springer International Publishing Switzerland 2016 Q. Yang et al. (Eds.): WASA 2016, LNCS 9798, pp. 487–498, 2016. DOI: 10.1007/978-3-319-42836-9 43
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T. Chin and K. Xiong
To mitigate adverse threats in locating the WSN base station, we present a novel approach to periodically changing its location using an election process between multiple active and inactive base stations within a given proximity. We call our approach Moving Proximity Base Station Defense (MPBSD), which is inspired by previous studies in [2,4,5] to enhance security in WSN. The designation of an active base station is done through an election process amongst all the base stations to be the sole receiving and transmitting base station for the WSN. Inactive base stations will transmit spoof data within the given region to mask the location of the active base station in aims to hinder localization methods for the subdue sensor node. Our approach periodically changes the roles of each b
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