VoLTE-SBC网络的安全性研究

Exploration on Security of VoLTE-SBC Network

移动网络规模越来越大,导致网络的安全问题越来越突出,作者通过对VoLTE网络的架构分析,重点分析研究了VoLTE-SBC网络的安全风险。通过从SGi和Gm接口进行突破,模拟对VoLTE-SBC网络和终端用户进行4种方式的安全攻击,并对存在的安全问题和产生的影响进行了分析,最后针对盗取敏感信息攻击、非授权接入的攻击、大流量拒绝服务攻击和盗用业务攻击,提出相应的安全策略和应对措施,并提出了进一步通过制定安全域边界防护策略实现Vo LTE网络安全的安全防护。

With the increasing scale of mobile network, the security problem of network becomes more and more prominent. Based on discussion of the architecture of VoLTE network, the security risks of VoLTESBC network are emphatically analyzed. Breakthrough from SGi and Gm interfaces, four ways of security attacks on VoLTE-SBC networks and end users are simulated. Then, the existing security problems and their impacts are expounded. Finally, aiming at the attacks to steal sensitive information, unauthorized access, denial of service with large traffic, and business theft, the corresponding security strategies and countermeasures are proposed, including how to implement security protection of VoLTE network further by formulating the security domain boundary protection strategy.