• AMBIKA J

Wireless Sensor Networks (WSNs) are susceptible to various kinds of protect threats that can destroy the performance of the network and may cause the sensors to send wrong information to the sink. Key management, authentication and secure routing protocols techniques used in WSNs. Intrusion Detection System (IDS) is another techniques and analysing the network in order to detect abnormal behaviour of the sensor node(s). Researchers have proposed various approaches for detecting intrusions in WSNs during the past few years. An ID starts with network initialization where every node agrees the list of parental nodes through which destination can be reached with equal distance. Each node chooses a parental node among selected parents to forward the data and begins pair wise keys with 2-hop parent nodes. Throughout data forwarding, child forwards the packet to 1-hop distance parent handles acknowledgment from 2-hop distance node and agrees the number of packets forwarded and dropped based on successful and unsuccessful arrangement. Every node sends to proceedings report holding observations on the parent via different path to destination at a particular intermission of time called an estimation period. Destination recognizes the malevolent node by comparing report acknowledged from each node with number of data packets received. This method detects the malicious nodes initially and also efficiently.

WSN, IDS, Malicious Node, 2-Hop Acknowledgment.

"A survey on Intrusion Detection System in Wireless Sensor Network Using Key Distribution", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 6, page no.35-41, June 2019, Available :http://www.jetir.org/papers/JETIR1906Y77.pdf

"A survey on Intrusion Detection System in Wireless Sensor Network Using Key Distribution", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 6, page no. pp35-41, June 2019, Available at : http://www.jetir.org/papers/JETIR1906Y77.pdf