Next century challenges: scalable coordination in sensor networks
MobiCom '99 Proceedings of the 5th annual ACM/IEEE international conference on Mobile computing and networking
The Byzantine Generals Problem
ACM Transactions on Programming Languages and Systems (TOPLAS)
Self-Securing Ad Hoc Wireless Networks
ISCC '02 Proceedings of the Seventh International Symposium on Computers and Communications (ISCC'02)
LEAP: efficient security mechanisms for large-scale distributed sensor networks
Proceedings of the 10th ACM conference on Computer and communications security
SIA: secure information aggregation in sensor networks
Proceedings of the 1st international conference on Embedded networked sensor systems
The sybil attack in sensor networks: analysis & defenses
Proceedings of the 3rd international symposium on Information processing in sensor networks
TinySec: a link layer security architecture for wireless sensor networks
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
LAD: Localization Anomaly Detection forWireless Sensor Networks
IPDPS '05 Proceedings of the 19th IEEE International Parallel and Distributed Processing Symposium (IPDPS'05) - Papers - Volume 01
Ultra-low duty cycle MAC with scheduled channel polling
Proceedings of the 4th international conference on Embedded networked sensor systems
Malicious Node Detection in Wireless Sensor Networks Using an Autoregression Technique
ICNS '07 Proceedings of the Third International Conference on Networking and Services
IEEE Network: The Magazine of Global Internetworking
Towards a trust aware cognitive radio architecture
ACM SIGMOBILE Mobile Computing and Communications Review
A survey of Intrusion Detection Systems for Wireless Sensor Networks
International Journal of Ad Hoc and Ubiquitous Computing
Multipath Routing Techniques in Wireless Sensor Networks: A Survey
Wireless Personal Communications: An International Journal
Management and applications of trust in Wireless Sensor Networks: A survey
Journal of Computer and System Sciences
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Deployed in a hostile environment, individual nodes of a wireless sensor network (WSN) could be easily compromised by the adversary due to the constraints such as limited battery lifetime, memory space and computing capability. It is critical to detect and isolate the compromised nodes in order to avoid being misled by the falsified information injected by the adversary through compromised nodes. However, it is challenging to secure the flat topology networks efficiently because of the poor scalability and high communication overhead. On top of a hierarchical WSN architecture, in this paper we proposed a novel scheme based on weighted-trust evaluation to detect malicious nodes. The hierarchical network can reduce the communication overhead between sensor nodes by utilizing clustered topology. Through intensive simulation, we verified the correctness and efficiency of our detection scheme.