This IDC study forecasts revenue for the messaging security market worldwide. It provides a top-down sizing of the messaging security market in 2008 and a 2009-2013 forecast for this market.

"The high rate of adoption for virtual security appliances is synergistic with current server virtualization strategies, a natural reaction to the proliferation of too many small appliances (appliance fatigue), and compatible with green IT initiatives," said Brian Burke, program director for IDC's Security Products program.