Skype as the Attack Vector

It's often hard to actually measure the risk exposure to a threat, given how overhyped certain market segments/products' insecurities get with the time. Gartner, and the rest of the popular marketing research agencies seem to be obsessed with Skype as the major threat to enterprises, while Skype isn't really bad news, compliance is, in respect to VoIP, P2P, IM and Email communications retention