Bogus data filtering in sensor networks

Authors:
Yong Ho Kim;Jong Hwan Park;Dong Hoon Lee;Jongin Lim
Affiliations:
Center for Information Security Technologies, Korea University, Seoul, Korea;Center for Information Security Technologies, Korea University, Seoul, Korea;Center for Information Security Technologies, Korea University, Seoul, Korea;Center for Information Security Technologies, Korea University, Seoul, Korea
Venue:
PAKDD'07 Proceedings of the 2007 international conference on Emerging technologies in knowledge discovery and data mining
Year:
2007

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Abstract

Recently, Zhang et al. proposed a location-based threshold-endorsement scheme (LTE) to thwart bogus data injection attacks. This scheme exhibits much greater filtering power than earlier symmetric schemes and results in enhanced energy savings. In this paper, we show that LTE has a significant vulnerability. We also propose an improved scheme that mitigates this weakness and thereby achieves the original claims of Zhang et al. without lessening LTE's remarkable filtering power.