Security threats in sensor network and their possible solutions

Security is an inevitable part in this world connected via internet. As the connectivity increases, the concern over securing one´s data also increases. Sensor Network also requires security for its own network and data. In this paper we will discuss various issues in security of sensor network and various other constraints that pose a challenge to us while securing the data and network. Then we will discuss several threats and their possible solutions which are in existence for Sensor Network.