...warnings over VoIP phishing cons (21 January 2008) 2008 - the year VoIP gets hacked? (17 January 2008) Cisco VoIPbug poses eavesdropping risk (29 November 2007) Whitepapers Trend Micro threat management solution This white paper...
http://www.theregister.co.uk/2008/02/15/cisco_voip_update/