The U.S. Government Accountability Office was asked to review the Department of Homeland Security’s (DHS) risk assessment practices for critical infrastructure. This report describes: (1) DHS’s risk assessment practices in 3 of 16 critical infrastructure sectors and private sector representatives’ views on the utility of this risk information; and (2) how this risk information influences DHS’s strategic planning and private sector outreach.
http://www.gao.gov/assets/690/688028.pdf