Here is a link to the SecureLogix State of Communications Security Report. It is currently at the NoJitter site. We will post it to our website and here in a couple of weeks.
http://www.nojitter.com/sponsoredcontent/view/cid/3900003
This is the first time ever that anyone has released a security report that is focused on voice/VoIP/communications. The report describes voice security trends and includes a ton of data from 100’s of assessments, that backs up the trends we present.