Prevention of Wormhole Attack in Wireless Sensor Network
Dhara Hitarth Buch, Devesh Jinwala

TL;DR
This paper investigates wormhole attacks in wireless sensor networks and proposes a prevention method based on analyzing two-hop neighbors and verifying sender validity with unique keys.
Contribution
It introduces a novel approach for wormhole attack prevention by analyzing route reply packets and using unique keys for sender verification.
Findings
Effective detection of wormhole attacks demonstrated
Reduced false positives in attack detection
Enhanced security with minimal resource overhead
Abstract
Ubiquitous and pervasive applications, where the Wireless Sensor Networks are typically deployed, lead to the susceptibility to many kinds of security attacks. Sensors used for real time response capability also make it difficult to devise the resource intensive security protocols because of their limited battery, power, memory and processing capabilities. One of potent form of Denial of Service attacks is Wormhole attack that affects on the network layer. In this paper, the techniques dealing with wormhole attack are investigated and an approach for wormhole prevention is proposed. Our approach is based on the analysis of the two-hop neighbors forwarding Route Reply packet. To check the validity of the sender, a unique key between the individual sensor node and the base station is required to be generated by suitable scheme.
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