Detection and Localization of Sybil Nodes in VANETs

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Provided by: Association for Computing Machinery
Topic: Security
Format: PDF
Sybil attacks have been regarded as a serious security threat to ad hoc networks and sensor networks. They may also impair the potential applications of VANETs (Vehicular Ad hoc NETworks) by creating an illusion of traffic congestion. In this paper, the authors present a lightweight security scheme for detecting and localizing sybil nodes in VANETs, based on statistic analysis of signal strength distribution. Their scheme is a distributed and localized approach, in which each vehicle on a road can perform the detection of potential sybil vehicles nearby by verifying their claimed positions.
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