www.ijsrp.org Event Identification for Wireless Sensor Network

Abstract- Wireless sensor networks consist of sensor nodes with radio, processor, memory, battery and sensor hardware. With widespread deployment of these devices one can precisely monitor the environment. Sensor nodes are resource constrained in terms of radio range, processor speed, memory and power. WSNs are mostly unguarded and the wireless medium is broadcast. This makes them more vulnerable to attacks. Without proper security measures, an enemy can launch various kinds of attacks in hostile environments. These attacks can disrupt the normal working of WSNs and can defeat the purpose of their deployment. Therefore security is an important aspect of these networks. WSNs are often deployed to monitor important emergency events, such as forest fire and battlefield monitoring. System Monitoring Modules (SMM) should be integrated with Intrusion Detection Modules (IDM). This integration can facilitate classification between malicious events and important emergency events. Unlike existing techniques, proposed system aims at addressing secure in-network aggregation problems from an intrusion detection perspective. Existing systems uses clustering, authentication mechanisms and cryptographic techniques for data aggregation in WSNs. These systems gives more priority to secure data aggregation than anomaly detection. Most of these systems assume that not more than one compromised nodes in the network. In the proposed system, if more than one malicious node is present, then also the false event is identified. Index Terms- intrusion detection system, Wireless sensor networks, IDM-SM