Poster: Detection of Wormhole Attack on Wireless Sensor Networks in Duty-Cycling Operation
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Although wireless sensor networks(WSN) attracted attentions in various areas, many research challenges exist in WSN. One of the major issues WSN face is power management. In order to achieve a long life with small size batteries, wireless sensor nodes are duty-cycling, i.e. they will periodically sleep in order to reduce power consumption. Another important issue is security. Because of the open nature of the wireless communication, they are vulnerable to security attacks. Wormhole attack is one of the most serious attacks against WSN, because wormholes are created with regular routing procedure. Various countermeasures against wormhole attacks are proposed[1, 2], but most of them assume continuous operation, which is not satisfied in duty-cycling WSN. In this work, we focused on an actual behavior of WSN, and propose wormhole detection based on delay observed in synchronized communication.
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