A Secure Localization Approach Against Wormhole Attacks Using Distance Consistency

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Executive Summary

Wormhole attacks can negatively affect the localization in wireless sensor networks. A typical wormhole attack can be launched by two colluding attackers, one of which sniff packets at one point in the network and tunnel them through a wired or wireless link to another point, and the other relays them within its vicinity. In this paper, the authors investigate the impact of the wormhole attack on the localization and propose a novel distance-consistency-based secure localization scheme against wormhole attacks, which includes three phases of wormhole attack detection, valid locators identification and self-localization.

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