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Government Accountability Office
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Security-related Reports

Critical Infrastructure Protection

• Transportation Security: TSA Has Made Progress in Implementing the Transportation Worker Identification Credential Program, but Challenges Remain GAO-07-681T, April 12, 2007
• Critical Infrastructure: Challenges Remain in Protecting Key Sectors GAO-07-626T, March 20, 2007
• Passenger Rail Security: Federal Strategy and Enhanced Coordination Needed to Prioritize and Guide Security Efforts GAO-07-583T, March 7, 2007
• Passenger Rail Security: Federal Strategy and Enhanced Coordination Needed to Prioritize and Guide Security Efforts GAO-07-459T, February 13, 2007
• Passenger Rail Security: Federal Strategy and Enhanced Coordination Needed to Prioritize and Guide Security Efforts GAO-07-442T, February 6, 2007
• Passenger Rail Security: Enhanced Federal Leadership Needed to Prioritize and Guide Security Efforts GAO-07-225T, January 18, 2007
• Critical Infrastructure Protection: Progress Coordinating Government and Private Sector Efforts Varies by Sectors' Characteristics GAO-07-39, October 16, 2006
• Critical Infrastructure Protection: DHS Leadership Needed to Enhance Cybersecurity GAO-06-1087T, September 13, 2006
• Transportation Security Administration: Oversight of Explosive Detection Systems Maintenance Contracts Can Be Strengthened GAO-06-795, July 31, 2006
• Critical Infrastructure Protection: Challenges in Addressing Cybersecurity, by David A. Powner, director, information technology, before the Subcommittee on Federal Financial Management, Government Information, and International Security, Senate Committee on Homeland Security and Governmental Affairs. GAO-05-827T, July 19, 2005.
• Flood Map Modernization: Federal Emergency Management Agency's Implementation of a National Strategy, by William O. Jenkins, Jr., before the Subcommittee on Housing and Community Opportunity, House Committee on Financial Services. GAO-05-894T, July 12, 2005.
• Critical Infrastructure Protection: Department of Homeland Security Faces Challenges in Fulfilling Cybersecurity Responsibilities. GAO-05-434, May 26, 2005.
• Homeland Security: Key Cargo Security Programs Can Be Improved, by Richard M. Stana, director, homeland security and justice issues, before the Permanent Subcommittee on Investigations, Senate Committee on Homeland Security and Governmental Affairs. GAO-05-466T, May 26, 2005.
• Overseeing the U.S. Food Supply: Steps Should Be Taken to Reduce Overlapping Inspections and Related Activities, by Robert A. Robinson, managing director, natural resources and environment issues, before the Subcommittee on Federal Workforce and Agency Organization, House Committee on Government Reform. GAO-05-549T, May 17, 2005.
• Container Security: A Flexible Staffing Model and Minimum Equipment Requirements Would Improve Overseas Targeting and Inspection Efforts. GAO-05-557, April 26, 2005. [PDF 1.7MB]
• Oversight of Food Safety Activities: Federal Agencies Should Pursue Opportunities to Reduce Overlap and Better Leverage Resources. GAO-05-213, March 30, 2005. [PDF 1.8MB]
• Cargo Security: Partnership Program Grants Importers Reduced Scrutiny with Limited Assurance of Improved Security. GAO-05-404, March 11, 2005.
• Homeland Security: Much Is Being Done to Protect Agriculture from a Terrorist Attack, but Important Challenges Remain. GAO-05-214, March 8, 2005. [PDF 3.2MB]
• Port Security: Better Planning Needed to Develop and Operate Maritime Worker Identification Card System. GAO-05-106, December 10, 2004.
• Port Security: Better Planning Needed to Help Ensure an Effective Port Security Assessment Program. GAO-04-1062, September 30, 2004.
• Maritime Security: Substantial Work Remains to Translate New Planning Requirements into Effective Port Security. GAO-04-838, June 30, 2004.
• Pipeline Safety: Preliminary Information on the Office of Pipeline Safety's Actions to Strengthen Its Enforcement Program, by Katherine A. Siggerud, director, physical infrastructure, before the Subcommittee on Energy and Air Quality, House Committee on Energy and Commerce. GAO-04-985T, July 20, 2004.
• Critical Infrastructure Protection: Improving Information Sharing with Infrastructure Sectors. GAO-04-780, July 9, 2004.
• Pipeline Safety: Preliminary Information on the Office of Pipeline Safety's Efforts to Strengthen Its Enforcement Activities, by Katherine Siggerud, director, physical infrastructure, before the Subcommittee on Highways, Transit, and Pipelines, House Committee on Transportation and Infrastructure. GAO-04-875T, June 16, 2004. [PDF 1.95 MB]
• Pipeline Safety: Preliminary Information on the Office of Pipeline Safety's Enforcement Activities, by Katherine Siggerud, director, physical infrastructure, before the Senate Committee on Commerce, Science, and Transportation GAO-04-826T, June 15, 2004.
• Technology Assessment: Cybersecurity for Critical Infrastructure Protection. GAO-04-321, May 28, 2004. [PDF 2.0MB]
• Critical Infrastructure Protection: Challenges and Efforts to Secure Control Systems, by Robert F. Dacey, director, information security, before the Subcommittee on Technology, Information Policy, Intergovernmental Relations, and the Census, House Committee on Government Reform. (GAO-04-628T), March 30, 2004 [PDF 416 KB]
• Critical Infrastructure Protection: Challenges and Efforts to Secure Systems. (GAO-04-354), March 15, 2004 [PDF 578 KB]
• Rail Security: Some Actions Taken to Enhance Passenger and Freight Rail Security, but Significant Challenges Remain, by Peter F. Guerrero, director, physical infrastructure, and Norman J. Rabkin, managing director, homeland security and justice, before the Senate Committee on Commerce, Science, and Transportation. (GAO-04-598T), March 23, 2004 [PDF 1.17 MB]
• Posthearing Questions from the September 17, 2003, Hearing on "Implications of Power Blackouts for the Nation's Cybersecurity and Critical Infrastructure Protection: The Electric Grid, Critical Interdependencies, Vulnerabilities, and Readiness." (GAO-04-300R) December 8, 2003 [PDF 118 Kb]
• Drinking Water: Experts' Views on How Future Federal Funding Can Best Be Spent to Improve Security (GAO-04-29), October 31, 2003 [PDF 1.39 Mb]
• Critical Infrastructure Protection: Challenges in Securing Control Systems, by Robert F. Dacey, director, information security, before the Subcommittee on Technology, Information Policy, Intergovernmental Relations, and the Census, House Committee on Government Reform, (GAO-04-140T), October 1, 2003 [PDF 903 Kb]
• Transportation Security: Federal Action Needed to Enhance Security Efforts, by Peter Guerrero, director, physical infrastructure, before the Senate Committee on Commerce, Science, and Transportation, (GAO-03-1154T), September 9, 2003 [PDF 1.54 Mb]
• Maritime Security: Progress Made in Implementing Maritime Transportation Security Act, but Concerns Remain, by Margaret T. Wrightson, director, homeland security and justice, before the Senate Committee on Commerce, Science, and Transportation, (GAO-03-1155T), September 9, 2003 [PDF 363 Kb]
• Transportation Security: More Federal Coordination Needed to Help Address Security Challenges (GAO-03-843) June 30, 2003 [PDF 6.44 Mb]
• Rail Safety and Security: Some Actions Already Taken to Enhance Rail Security, but Risk-Based Plan Needed, April 30, 2003 (GAO-03-435) [PDF 1.07 Mb]
• Transportation Security: Post-9/11 Initiatives and Long-Term Challenges, by Gerald L. Dillingham, director, physical infrastructure, before the National Commission on Terrorist Attacks Upon the United States, in New York, New York, April 1, 2003 (GAO-03-616T) [PDF 868 Kb]
• Critical Infrastructure Protection: Challenges for Selected Agencies and Industry Sectors, February 28, 2003 (GAO-03-233) [PDF 890 Kb]
• CRITICAL INFRASTRUCTURE PROTECTION: Efforts of the Financial Services Sector to Address Cyber Threats, January 2003 (GAO-03-173) [1.31 Mb]
• TRANSPORTATION SECURITY ADMINISTRATION: Actions and Plans to Build a Results-Oriented Culture, January 2003 (GAO-03-190) [580 Kb]
• Homeland Security: Department of Justice’s Response to Its Congressional Mandate to Assess and Report on Chemical Industry Vulnerabilities, October 10, 2002, (GAO-03-24R) [PDF 244 Kb]
• CRITICAL INFRASTRUCTURE PROTECTION: Commercial Satellite Security Should Be More Fully Addressed (GAO-02-781) August 2002 [PDF 950 Kb]
• CRITICAL INFRASTRUCTURE PROTECTION: Significant Homeland Security Challenges Need to Be Addressed -- Statement of Robert F. Dacey, Director, Information Security Issues, July 9, 2002, (GAO-02-918T) [PDF 302 Kb]
• CRITICAL INFRASTRUCTURE PROTECTION: Significant Challenges Need to Be Addressed -- Statement of Robert F. Dacey, Director, Information Security Issues, July 24, 2002, (GAO-02-961T) [PDF 453 Kb]
• Department of Transportation Report on Transporting Hazardous Materials, July 18, 2002, (GAO-02-867R) [PDF 37 Kb]
• CRITICAL INFRASTRUCTURE PROTECTION: Significant Challenges in Developing Analysis, Warning, and Response Capabilities -- Statement of Robert F. Dacey Director, Information Security Issues, July 25, 2001 (GAO-01-1005T) [PDF 83 Kb]
• Critical Infrastructure Protection: Significant Challenges in Developing Analysis, Warning, and Response Capabilities -- Statement of Robert F. Dacey Director, Information Security Issues, (22-MAY-01, GAO-01-769T). [PDF 81 Kb]
• CRITICAL INFRASTRUCTURE PROTECTION: Significant Challenges in Protecting Federal Systems and Developing Analysis and Warning Capabilities -- Statement of Joel C. Willemssen Managing Director, Information Technology Issues, September 12, 2001 (GAO-01-1132T) [PDF 221 Kb]
• PIPELINE SAFETY: Progress Made, but Significant Requirements and Recommendations Not Yet Complete, September 2001 (GAO-01-1075) [PDF 177 Kb]
• Critical Infrastructure Protection: Significant Challenges in Developing National Capabilities, (25-APR-01, GAO-01-323). [PDF 1.16 Mb]