INTERNATIONAL JOURNAL OF RESEARCH IN COMPUTER APPLICATIONS AND ROBOTICS www.ijrcar.com Vol.3 Issue 11, Pg.: 48-53 November 2015 Mehul Joshi, Megha Joshi, Pooja Awasthi, Kakelli Anil Kumar Page 48 INTERNATIONAL JOURNAL OF RESEARCH IN COMPUTER APPLICATIONS AND ROBOTICS ISSN 2320-7345 A SURVEY PAPER ON SECURITY MECHANISM OF WIRELESS SENSOR NETWORK Mehul Joshi 1 , Megha Joshi 2 , Pooja Awasthi 3 , Kakelli Anil Kumar 4 1 BE (Computer Science), Indore Institute of Science & Technology-II, Indore, Madhya Pradesh, India, mehul.joshi898@gmail.com 2 BE (Computer Science), Indore Institute of Science & Technology-II, Indore, Madhya Pradesh, India, m.joshics@gmail.com 3 BE (Computer Science), Indore Institute of Science & Technology-II, Indore, Madhya Pradesh, India, awasthipuja123@gmail.com 4 Associate Professor, Department of CSE, Indore Institute of Science & Technology-II, Indore, Madhya Pradesh, India, anilsekumar@gmail.com Mehul Joshi: 52,Ashok Vihar Colony Rau 453331, Indore M.P., Mobile No : +918982613685, mehul.joshi898@gmail.com Abstract: - In this paper, a survey on Wireless Sensor Network (WSN) and their technology, standards, prototype and applications was carried out. A wireless sensor network consists of thousands of inexpensive miniature devices capable of computation, communication and sensing. It provides a bridge between both the real and virtual worlds. Allow the ability to observe the previously non-observable at a fine resolution over large spatio-temporal scales. Have a wide range of potential applications to agriculture, health, transport system, disaster detection, and defence. This paper supports the difficulties of operating such sensor network in the most hostile environments. Although the measurements and analysis demonstrated that control deployment was possible to some extent. Keyword: Wireless Sensor Network, Personal computers, Personal Digital Assistants, Denial of Service attack, Offset codebook. 1. Introduction A wireless sensor network (WSN) are structurally distributed self-directed sensors to monitor environmental or physical conditions such as sound, temperature, pressure, military work etc. and to cooperatively transfer their data through the network to a main location. Its simplest form makes it a network of (possibly low-size and low-complex) devices denoted as nodes that can sense the atmosphere and communicate the information collected from the monitored field through wireless links; the data is forwarded, possibly by multiple hops transmitting, to a sink that can use it locally, or is connected to other networks (e.g. Internet) through a gateway [10]. A sensor node or mote is a node in a sensor network that is proficient of performing some processing [3], collecting sensory information and communicating with other associated nodes in the network.