IoT is the technology in which the sensed information is aggregated to the base station, which is uploaded to the internet. Due to the decentralized nature of the network security, energy consumption is the major issue of the network. In the base paper technique, security to the network is provided in which uni-directional and bi-directional communication is possible. This research work is based on the misdirection attack on the network. The whole network is divided into fixed size clusters and cluster heads are selected in each cluster using LEACH protocol based on energy and distance. The technique of threshold-based is proposed in this work for the detection of malicious nodes from the network. The work is implemented using NS2.

IoT, Ns2, Malicious Nodes, LEACH

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