International Journal of Innovative Research in Science, Engineering and Technology (IJIRSET)
MANET (Mobile Ad-hoc NETwork) is a collection of various mobile nodes which communicates over relatively bandwidth through the wireless links. In MANETs, the nodes are mobile in nature hence the network topology may change rapidly and unpredictably over time. With the increase in the use of MANETS security became an indispensable requirement to provide communicational protection and improvement of network recital. The most possible attack in MANET is black hole attack. In which, a malicious node provides fake routing information by advertising itself having shortest path to the source node and then deprive the traffic from the source node or can drop the packets later.