Özet:

Security in the Mobile Adhoc Network is a very crucial issue that requires continuous attention for the betterment of communication and safe delivery of the data. Several researchers proposed different security mechanisms to prevent a network from breaches but still, there is a lack of security and is vulnerable to different attacks like blackhole attack, Gray-hole, DoS and many more. Blackhole redirects the traffic towards the intruder node which is not a real node and not even the part of the network like, blackhole in the universe. It creates a fake path for the source node to reach the destination node and attracts all the packets towards itself and then drop all the packets. This paper describes the blackhole attacks in mobile adhoc network in detail along with its variants. The other existing techniques for detection and prevention from blackhole attacks are also discussed and their performance is analyzed based on different security measures.

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