Date Added: Apr 2013
Wireless sensor networks consist of hundreds or thousands of low cost, low power and self-organizing nodes which are highly distributed. Due to the reason that the sensor nodes are highly distributed, there is a need of security in the network. Security is an important issue nowadays in almost every network. There are some security issues and many attacks that need to be look around and work upon. This paper discusses some of the issues and the denial of service attacks of security.