Tuesday, December 27, 2011

VoIP Phone Eavesdropping Prevention Tips

via Mike Chapple, Network Security
Every organization considering a Voice over Internet Protocol (VoIP) telephone system deployment hears the same dire warnings: “Routing voice calls over a data network exposes calls to eavesdropping.” 

While it’s certainly true that any telephone call carries a certain degree of eavesdropping risk, is it true that VoIP calls have an inherently higher degree of risk? In this tip, we explore the ins and outs of VoIP eavesdropping.

VoIP eavesdropping is possible
First, it’s important to be clear about one thing: It is absolutely possible to eavesdrop on a VoIP telephone call. It’s also possible to eavesdrop on a telephone call placed using the traditional public switched telephone network (PSTN). The difference lies in the tools and skill set needed to conduct the eavesdropping. (more)