The wireless sensor network (WSN) is a mix of sensing, computation, and communication into a solitary small gadget. A sensor system comprises of a variety of various sensor systems of differing sorts interconnected by a wireless communication network. Sensor information is shared between these sensor nodes and utilized as data to a circulated estimation framework. The framework extricates important data from the accessible data. In this paper represent briefly various attacks and approaches to used for WSN.

WSN, attestation algorithm, routing strategy

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