Security Aspects in Mobile Ad Hoc Network
ABSTRACT:
Mobile
Ad hoc networks (MANETs) are a new paradigm
of wireless network, offering unrestricted
mobility without any underlying infrastructure
such as base station or mobile switching
centers. Basically ad hoc network is
a collection of nodes communicating
with each other by forming a
multi-hop network. In a mobile ad hoc network, it is much more vulnerable
to attacks than a wired network due
to its limited physical security,
dynamically changing network topology, energy
constrained operations and lack of
centralized administration. Since all the nodes
in the network collaborate to forward
the data, the wireless channel is prone to active and
passive attacks by malicious nodes, such as
Denial of Service (DoS), eavesdropping, spoofing,
etc. The intent of this paper is to
investigate the security goal, security
challenges and different types of active and passive attacks on MANETs.
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