Timestamps in key distribution protocols
Communications of the ACM
Using encryption for authentication in large networks of computers
Communications of the ACM
IPTPS '01 Revised Papers from the First International Workshop on Peer-to-Peer Systems
Providing Robust and Ubiquitous Security Support for Mobile Ad Hoc Networks
ICNP '01 Proceedings of the Ninth International Conference on Network Protocols
Secure verification of location claims
WiSe '03 Proceedings of the 2nd ACM workshop on Wireless security
The sybil attack in sensor networks: analysis & defenses
Proceedings of the 3rd international symposium on Information processing in sensor networks
Distributed Detection of Node Replication Attacks in Sensor Networks
SP '05 Proceedings of the 2005 IEEE Symposium on Security and Privacy
Defending against Sybil Attacks in Sensor Networks
ICDCSW '05 Proceedings of the Second International Workshop on Security in Distributed Computing Systems (SDCS) (ICDCSW'05) - Volume 02
Security against Sybil Attack in Wireless Sensor Network through Location Verification
ICDCN '09 Proceedings of the 10th International Conference on Distributed Computing and Networking
Improving reputation systems for wireless sensor networks using genetic algorithms
Proceedings of the 13th annual conference on Genetic and evolutionary computation
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Security is a major concern for a large fraction of sensor network applications. Douceur first introduced the notion of sybil attack [4], where a single entity(node) illegitimately presents multiple identities. As the nodes in sensor networks can be physically captured by an adversary, sybil attack can manifest in a severe form leading to the malfunction of basic operational protocols including routing, resource allocation and misbehavior detection. In this study, we propose a location verification based defense against sybil attack for sensor network where we assume that the network is consisted of static sensor nodes. We report quantitatively about the probability of not being able to detect sybil attack. This probability is indicative of the usefulness of our proposed protocol.