01636oam 2200433 a 450 991070330210332120121105153136.0(CKB)4970000000021488(OCoLC)732976297(EXLCZ)99497000000002148820110625d2011 ua 0engurmn||||a||||txtrdacontentcrdamediacrrdacarrierCritical infrastructure protection[electronic resource] DHS has taken action designed to identify and address overlaps and gaps in critical infrastructure security activities /[Stephen L. Caldwell]Washington, DC :U.S. Govt. Accountability Office,[2011]1 online resource (27 pages) color illustrationsTitle from title screen (viewed June 25, 2011)."May 19, 2011.""GAO-11-537R."Includes bibliographical references.Critical Infrastructure ProtectionInfrastructure (Economics)Security measuresUnited StatesPlanningInteragency coordinationUnited StatesNational securityUnited StatesInfrastructure (Economics)Security measuresPlanning.Interagency coordinationNational securityCaldwell Stephen L1381588United States.Government Accountability Office.DIDDIDGPODOCUMENT9910703302103321Critical infrastructure protection3470502UNINA