4The White House,National Plan for Information Systems Protection Version 1.0:An Invitation to a Dialogue,2000.Executive Summary,XI.http://fas.org/irp/offdocs/pdd/CIP-plan.pdf.
5Martin C.Libicki,Cyberdeterrence and Cyberwar.http://www.rand.org/pubs/monographs/2009/RAND_MG877.pdf.