United States. Department of Homeland Security -- Information services. : Progress in addressing management challenges at the Department of Homeland Security : hearing before the Select Committee on Homeland Security, House of Representatives, One Hundred Eighth Congress, second session, May 6, 2004.
United States. Department of Homeland Security -- Information technology -- Evaluation. : The need to strengthen information security at the Department of Homeland Security : hearing before the Subcommittee on Management, Integration, and Oversight of the Committee on Homeland Security, House of Representatives, One Hundred Ninth Congress, first session, April 14, 2005.
