I'm not insensitive to the arguments that voice conversations could be compromised. It's just that those arguments are for the wrong reasons. Trusted people can and do monitor or have access to voice conversations during the course of a business workday. It's not about trust, it's about compromise.Symantec discovered a Trojan.Peskyspy--"Listening in on your Conversations" in late August that according to Symantec, "records VoIP communications, specifically targeting Skype--one of the today's most popular VoIP applications. What we're looking at is something that could be considered the first "wiretap Trojan."
The means to listen in on conversations is there in either the PSTN or IP environment. The means to target companies, individuals and government agencies to listen in on conversations is easily there in the IP environment. Here's an interesting piece, VoIP Attacks Are Real and Multiplying.
