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Cyber Crime is one of the major threats for IT Security. Internet Crime refers to criminal exploitation of the Internet. Issues surrounding this type of crime has become high-profile, particularly those surrounding hacking, copyright infringement etc. There are also problems of privacy when confidential information is lost or intercepted, lawfully or otherwise. Existing mechanisms use Packet Marking technique to trace back the real source of attacking packets that traverse through the network. But, this mechanism fails to provide solution in case of IP SPOOFING and Path Failures. In this Paper, the authors propose a finest solution to trace back the real source using pre-shared key authentication between egress router & the attacker node.
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