01840nam 2200421 450 991070452380332120130508114845.0(CKB)5470000002442470(OCoLC)842146844(EXLCZ)99547000000244247020130508d2013 ua 0engurmn|||||||||rdacontentrdamediardacarrierCybersecurity a better defined and implemented national strategy is needed to address persistent challenges : testimony before the Committee on Commerce, Science, and Transportation and the Committee on Homeland Security and Governmental Affairs, U.S. Senate /statement of Gregory C. Wilshusen[Washington, D.C.] :United States Government Accountability Office,2013.1 online resource (i, 31 pages) color illustrations, mapTestimony ;GAO-13-462TTitle from title screen (viewed Apr. 25, 2013)."For release ... March 7, 2013."Includes bibliographical references.Cybersecurity Computer securityGovernment policyUnited StatesCyberterrorismPreventionGovernment policyUnited StatesComputer securityGovernment policyCyberterrorismPreventionGovernment policyWilshusen Gregory C.1380632United States.Congress.Senate.Committee on Commerce, Science, and Transportation,United States.Congress.Senate.Committee on Homeland Security and Governmental Affairs,United States.Government Accountability Office,GPOGPOBOOK9910704523803321Cybersecurity3435217UNINA