Nortel Voice Security

Jeff Lewis on my team joins us again with an interesting comparison…Lawrence

I often read in the blogosphere about how Voice over IP is so much less secure than traditional TDM based technologies. There certainly seems to be enough compelling reasons for such thinking, but I frequently wonder how much truth there really is to it. Is it really that dangerous? Is it really that different from the old way of doing things? Keeping the scope to the telephone lines and sets themselves, I think the answer is probably yes – but it certainly doesn’t have to be.

I recently joined a tech trial at the office to help test out a new VoIP call server. Installation was easy enough …

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I am becoming very amazed at the number of people (Analysis: Hacking VoIP, As Easy As 1-2-3) that are equating the presence of vulnerabilities in voice systems to the voice system being compromised (AKA hacked). It is true that a vulnerability increases the possibility of a system being compromised but it does not equate to it. This is a very important distinction.

Let’s look at what has to happen before a vulnerability can be successfully exploited. I am reminded of the consecutive steps in the Three-mile Island Accident of 1978 that all had to happen for the accident to occur – breaking any of the steps would have mitigated the accident. Despite diligent efforts to discover and …

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Welcome to Nortel’s official Voice Security Technology Blog, where you can be kept informed about news and events from a technical perspective from around the world of voice and multimedia security. It is a forum where the industry’s best and brightest minds can co-operatively discuss and debate the hottest issues and topics facing voice and multimedia security. This blog has a solid technical focus and is independent of our other current blogs by John Roese, Phil Edholm, and, Tony Ryb’s blog on TMCnet. It is similar in style to the Nortel Buzzboard.

Voice security is of significant interest for Nortel’s customers and the industry in general as we see widespread deployment of systems that provide …

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