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A Comprehensive Survey of Security Issues and Defense Framework for VoIP Cloud


  • School of Computing Science and Engineering, VIT University, Chennai - 600127, Tamil Nadu, India


Voice over Internet Protocol (VoIP) is an advanced telecommunication technology which transfers the voice/video over high speed network that provides advantages of flexibility, reliability and cost efficient advanced telecommunication features. Still the issues related to security are averting many organizations to accept VoIP cloud environment due to security threats, holes or vulnerabilities. So, the novel secured framework is absolutely necessary to prevent all kind of VoIP security issues. This paper points out the existing VoIP cloud architecture and various security attacks and issues in the existing framework. It also presents the defense mechanisms to prevent the attacks and proposes a new security framework called Intrusion Prevention System (IPS) using video watermarking and extraction technique and Liveness Voice Detection (LVD) technique with biometric features such as face and voice. IPSs updated with new LVD features protect the VoIP services not only from attacks but also from misuses.


Defense Mechanisms, Liveness Voice Detection, VoIP Cloud, Voice over Internet Protocol, VoIP Security Issues

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