Date Added: Feb 2013
Wireless Sensor Networks (WSN) are emerging as a new technology in the IT ecosystem and a rich domain of active research involving hardware and system design, networking, distributed algorithms, programming models, data management, security and social factors. A wireless sensor network is a collection of nodes organized into a cooperative network, accommodate various sensors which communicate wirelessly. It is an emerging technology used in applications for mass public and military. As WSN uses inherent resource and computing constraints, it faces severe security challenges. In this paper, the authors discuss various security issues related with wireless sensor networks and how these issues are handled with various security mechanisms.