A Modified Grayhole Attack Detection Technique in Mobile Ad-hoc Networks

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Mangesh M. Ghonge
Pradeep M. Jawandhiya


Mobile Ad Hoc Networks are vulnerable to various types of Denial of Service (DoS) attacks for the absence of fixed network
infrastructure. The Gray Hole attack is a type of DoS attacks. In this attack, an adversary silently drops some or all of the data packets sent to it
for further forwarding even when no congestion occurs. Our proposed scheme comprises two steps of detecting malicious node in the network:
Detection of malicious activity, Identification of malicious node. The first step is to detect any malicious activity took place in network or not
and second if malicious activity took place in the network then identification of that malicious node.


Keywords: MANET, Security attacks, Grayhole attack


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