Please have a look at McAfee's Virtual Criminology Report for 2009. 

• The number of reports of cyber attacks and network infiltrations that appear to be linked to nation-states and political goals continue to increase.
• There is active debate as to when a cyber attack reaches the threshold of damage and disruption to warrant being categorized as cyber warfare.
• With critical infrastructure as likely targets of cyber attacks, and private company ownership of many of the information systems in these sectors, private companies will likely be caught in the crossfire.
• The private sector needs to prepare for cyber attacks, and those businesses that can weather the storm better than their competitors could