New approaches to mitigation of malicious traffic in VoIP networks
Date
2010
Authors
Wulff, T.
Hunt, R.
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Advisors
Journal Title
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Volume Title
Type:
Conference paper
Citation
Journal of network forensics, 2010, vol.2, iss.2, pp.40-59
Statement of Responsibility
Conference Name
8th Australian Information Security Management Conference (30 Nov 2010 - 2 Dec 2010 : Perth, Western Australia)
Abstract
Voice over IP (VoIP) telephony is becoming widespread in use, and is often integrated into computer networks. Because of this, malicious software threatens VoIP systems in the same way that traditional computer systems have been attacked by viruses, worms, and other automated agents. VoIP networks are a challenge to secure against such malware as much of the network intelligence is focused on the edge devices and access environment. This paper describes the design and implementation of a novel VoIP security architecture in which evaluation of, and mitigation against, malicious traffic is demonstrated by the use of virtual machines to emulate vulnerable clients and servers through the use of apparent attack vectors. This new architecture, which is part of an ongoing research project, establishes interaction between the VoIP backend and the end users, thus providing information about ongoing and unknown attacks to users.
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Copyright 2010 Security Research Centre, Edith Cowan University