Mobility

Security Issues and Solutions in 3G Core Network

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Executive Summary

Nowadays, the 3G network plays a very important role in mobile communication system. But the security concern of such network, especially the core network, is far from being satisfied. With the continuously development in the security enhancement in RAN, core network would become the future target of attackers. GPRS Tunnel Protocol (GTP), which is one of the key protocols in the core network, is quite vulnerable to attacks in the flat, full IP environment. Therefore solving such problem properly is very urgent and important for the operation of 3G network.

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