If you are a larger middle-market company, another “below the radar” IT risk factor that may be impacting you may be driven by the cost savings inherent in using virtualized servers and desktops.  A security breach in a virtualized environment can have greater consequences than the same breach in a traditional IT environment because it is much more difficult to localize or isolate a virtualized IT environment.    This report gives further detail regarding the security threat and astutely points out that no one really understands where the real security problems can be found; and therefore, is the real problem.