Channel-Based Detection of Sybil Attacks in Wireless Networks

@article{Xiao2009ChannelBasedDO,
  title={Channel-Based Detection of Sybil Attacks in Wireless Networks},
  author={Liang Xiao and Larry J. Greenstein and Narayan B. Mandayam and Wade Trappe},
  journal={IEEE Transactions on Information Forensics and Security},
  year={2009},
  volume={4},
  pages={492-503}
}
Due to the broadcast nature of the wireless medium, wireless networks are especially vulnerable to Sybil attacks, where a malicious node illegitimately claims a large number of identities and thus depletes system resources. We propose an enhanced physical-layer authentication scheme to detect Sybil attacks, exploiting the spatial variability of radio channels in environments with rich scattering, as is typical in indoor and urban environments. We build a hypothesis test to detect Sybil clients… CONTINUE READING
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