In one of my previous articles, I touched upon the basics of VoIP security. Recently I came across this YouTube video covering a seminar given by Phillip Zimmermann (the Father of PGP) talking about VoIP encryption for the Stanford University Computer Systems Colloquium. Basically, Zimmermann talks about ephemeral encryption of VoIP traffic using Diffie-Hellman key [...]
In my previous post I gave a brief overview of VoIP and how it can add tremendous value to an organization by reducing communication costs. This article talks about the various security related issues that needs to be addressed in any VoIP implementation. It would be a gross mistake on the part of administrators to [...]
Voice over IP (VoIP) is emerging as one of the most powerful technologies revolutionizing the telecom industry. Most of us are fairly comfortable with using VoIP for personal use, courtesy free telephony services from Skype, Yahoo Voice, MSN Messenger, Google Talk, and Gizmo5. Apart from free PC-to-PC services, VoIP has also contributed towards low cost [...]