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In recent years, the use of Mobile Ad hoc NETworks (MANETs) has been widespread in many applications, including some mission critical applications, and as such security has become one of the major concerns in MANETs. A mobile ad hoc network is set up with a group of mobile wireless nodes without the use of any dedicated routers or base stations. Each node acts as an end node as well as a router for other nodes. A Mobile Ad-hoc NETwork (MANET) is based on self organizing, dynamic structure and freedom of mobility idea. The characteristics like dynamic structure, limited power, restricted bandwidth and continuously changing network routes makes MANET more vulnerable to the attacks and providing the security to it proves to be a challenging area.
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