Author:Â Kavyashree E.D
Abstract:Â Wireless Sensor Network (WSN) is a collection of sensor nodes. Sensor nodes are small in size and of low cost, which are operated under the control of central authority known as base station using wireless channel. Wireless sensor network shows a great promise for various futuristic applications like military applications, nuclear power plant, Environment monitoring, health care, target tracking and recognition of physical phenomenon .It has a set of constraints like low computation capability, limited memory, reduced battery life, and lack of infrastructure. Due to extensive use of wireless sensor network in real world data confidentiality must be maintained, so security plays a vital role. The use of this particular network is crucial in many contexts regardless of geographical position and so on. This work brief out the security requirements and outline the current research issues.
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