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VOIP Security
Ovum, Aug 2006, Pages: 23
Voice over IP (VoIP) is gaining ground in both the corporate and consumer domains. Its headline promise of free, or very cheap, long-distance phone calls is resonating widely. However, what are the risks of relying on the Internet for telephony services, and what risks does this further opening up of data networks to the outside world pose to them? Numerous risks have been mentioned, but it is hard to find documented successful attacks relating to VoIP. There are similarities with the wireless telephony and instant messaging arenas where theoretical threats did eventually become real as deployment became widespread, while the configuration of VoIP services tends to diminish the immediate threat. This report puts the threats in the context of the use of VoIP, particularly in the enterprise, and describes what could, should, and is being done to mitigate them.
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