01981nam 2200445Ia 450 991069623960332120071120152643.0(CKB)5470000002376426(OCoLC)181655267(EXLCZ)99547000000237642620071120d2007 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierCritical infrastructure protection[electronic resource] multiple efforts to secure control systems are under way, but challenges remain : testimony before the Subcommittee on Emerging Threats, Cybersecurity, and Science and Technology, Committee on Homeland Security, House of Representatives /statement of Gregory C. Wilshusen[Washington, D.C.] :U.S. Govt. Accountability Office,[2007]11 pages digital, PDF fileTestimony ;GAO-08-119 TTitle from title screen (viewed on Nov. 15, 2007)."For release ... October 17, 2007."Paper version available from: U.S. Govt. Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548.Includes bibliographical references.Critical infrastructure protection Emergency managementUnited StatesNational securityUnited StatesInfrastructure (Economics)United StatesEmergency managementNational securityInfrastructure (Economics)Wilshusen Gregory C1380632United States.Congress.House.Committee on Homeland Security.Subcommittee on Emerging Threats, Cybersecurity, and Science and Technology.United States.Government Accountability Office.GPOGPOBOOK9910696239603321Critical infrastructure protection3533161UNINA