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Security-related Reports

GAO Homeland Security Reports - Subcategories

September 11
Dept. of Homeland Security
Disaster Preparedness / Response
Combating Terrorism
Building Security
Nuclear/Chemical/Biological Terrorism
Aviation Security
Maritime Security
Critical Infrastructure Protection
Border Control
Coast Guard
Drug Control
Financial/Counterfeiting
Information Security
Information Technology
Flu Pandemic

Critical Infrastructure Protection

• Critical Infrastructure Protection: Actions Needed to Address Weaknesses in TSA's Pipeline Security Program Management, Statement of W William Iv Russell, Acting Director, Homeland Security and Justice, GAO-19-542T, May 1, 2019
• Critical Infrastructure Protection: Progress and Challenges in DHS's Management of Its Chemical Facility Security Program, Statement of Nathan J Anderson, Acting Director, Homeland Security and Justice, GAO-19-402T, February 27, 2019
• Critical Infrastructure Protection: Protecting the Electric Grid from Geomagnetic Disturbances, GAO-19-98, December 19, 2018
• Critical Infrastructure Protection: Actions Needed to Address Significant Weaknesses in TSA's Pipeline Security Program Management, GAO-19-48, December 18, 2018
• Critical Infrastructure Protection: DHS Should Take Actions to Measure Reduction in Chemical Facility Vulnerability and Share Information with First Responders, GAO-18-538, August 8, 2018
• Critical Infrastructure Protection: Progress and Challenges in DHS's Management of Its Chemical Facility Security Program, Statement of Christopher Currie, Director, Homeland Security and Justice, GAO-18-613T, June 14, 2018
• Critical Infrastructure Protection: Additional Actions Are Essential for Assessing Cybersecurity Framework Adoption, GAO-18-211, February 15, 2018
• Critical Infrastructure Protection: Electricity Suppliers Have Taken Actions to Address Electromagnetic Risks, and Additional Research Is Ongoing, GAO-18-67, February 7, 2018
• Critical Infrastructure Protection: DHS Risk Assessments Inform Owner and Operator Protection Efforts and Departmental Strategic Planning, GAO-18-62, October 30, 2017
• Critical Infrastructure Protection: DHS Has Fully Implemented Its Chemical Security Expedited Approval Program, and Participation to Date Has Been Limited, GAO-17-502, June 29, 2017
• Supply Chain Security: Providing Guidance and Resolving Data Problems Could Improve Management of the Customs-Trade Partnership Against Terrorism Program, GAO-17-84, February 8, 2017
• Critical Infrastructure Protection: Additional Actions by DHS Could Help Identify Opportunities to Harmonize Access Control Efforts, GAO-17-182, February 7, 2017
• Critical Infrastructure Protection: DHS Has Made Progress in Enhancing Critical Infrastructure Assessments but Additional Improvements are Needed, GAO-16-791T, July 12, 2016
• Critical Infrastructure Protection: Improvements Needed for DHS's Chemical Facility Whistleblower Report Process, GAO-16-572, July 12, 2016
• Critical Infrastructure Protection: Federal Efforts to Address Electromagnetic Risks, GAO-16-641T, May 17, 2016
• Critical Infrastructure Protection: Federal Agencies Have Taken Actions to Address Electromagnetic Risks, but Opportunities Exist to Further Assess Risks and Strengthen Collaboration, GAO-16-243, March 24, 2016
• Critical Infrastructure Protection: Measures Needed to Assess Agencies’ Promotion of the Cybersecurity Framework, GAO-16-152, December 17, 2015
• Critical Infrastructure Protection: Sector-Specific Agencies Need to Better Measure Cybersecurity Progress, GAO-16-79, November 19, 2015
• Maritime Critical Infrastructure Protection: DHS Needs to Enhance Efforts to Address Port Cybersecurity, by Gregory C. Wilshusen, director, information security issues, before the Subcommittee on Border and Maritime Security, House Committee on Homeland Security, GAO-16-116T, October 8, 2015
• Critical Infrastructure Protection: Preliminary Observations on DHS Efforts to Address Electromagnetic Threats to the Electric Grid, by Christopher P. Currie, director, homeland security and justice, before the Senate Committee on Homeland Security and Governmental Affairs, GAO-15-692T, July 22, 2015
• Critical Infrastructure Protection: DHS Action Needed to Verify Some Chemical Facility Information and Manage Compliance Process, GAO-15-614, July 22, 2015
• Critical Infrastructure: Assessment of the Department of Homeland Security's Report on the Results of Its Critical Infrastructure Partnership Streamlining Efforts, GAO-14-100R, November 18, 2013
• GPS Disruptions: Efforts to Assess Risks to Critical Infrastructure and Coordinate Agency Actions Should Be Enhanced, GAO-14-15, November 6, 2013
• Homeland Security: Challenges Associated with Federal Protective Service's Contract Guards and Risk Assessments at Federal Facilities, by Mark L. Goldstein, director, physical infrastructure issues, before the Subcommittee on Oversight and Management Efficiency, House Committee on Homeland Security, GAO-14-128T, October 30, 2013
• Federal Protective Service: Challenges with Oversight of Contract Guard Program Still Exist and Additional Management Controls Are Needed, GAO-13-694, September 17, 2013
• Supply Chain Security: DHS Could Improve Cargo Security by Periodically Assessing Risks from Foreign Ports, GAO-13-764, September 16, 2013
• Critical Infrastructure Protection: DHS Needs to Improve Its Risk Assessments and Outreach for Chemical Facilities, by Stephen L. Caldwell, director, homeland security and justice, before Subcommittee on Cybersecurity, Infrastructure Protection, and Security Technologies, House Committee on Homeland Security, GAO-13-801T, August 1, 2013
• Critical Infrastructure Protection: DHS Could Strengthen the Management of the Regional Resiliency Assessment Program, GAO-13-616, July 30, 2013
• Transportation Worker Identification Credential: Card Reader Pilot Results Are Unreliable; Security Benefits Should Be Reassessed, by Stephen M. Lord, director, forensic audits and investigative service, before the Subcommittee on Border and Maritime Security, House Committee on Homeland Security, GAO-13-695T, June 18, 2013
• Critical Infrastructure Protection: DHS Efforts to Assess Chemical Security Risk and Gather Feedback on Facility Outreach Can Be Strengthened, GAO-13-353, April 5, 2013
• Critical Infrastructure Protection: DHS List of Priority Assets Needs to Be Validated and Reported to Congress, GAO-13-296, March 25, 2013
• Critical Infrastructure Protection: Preliminary Observations on DHS Efforts to Assess Chemical Security Risk and Gather Feedback on Facility Outreach, by Stephen L. Caldwell, director, homeland security and justice, before the Subcommittee on Environment and the Economy, House Committee on Energy and Commerce. GAO-13-412T, March 14, 2013
• Passenger Rail Security: Consistent Incident Reporting and Analysis Needed to Achieve Program Objectives, GAO-13-20, December 19, 2012
• Critical Infrastructure Protection: An Implementation Strategy Could Advance DHS's Coordination of Resilience Efforts across Ports and Other Infrastructure, GAO-13-11, October 25, 2012
• Homeland Security: Agriculture Inspection Program Has Made Some Improvements, but Management Challenges Persist, GAO-12-885, September 27, 2012
• Critical Infrastructure Protection: Summary of DHS Actions to Better Manage Its Chemical Security Program, by Stephen L. Caldwell, director, homeland security and justice, before the Subcommittee on Homeland Security, House Committee on Appropriations, GAO-12-1044T, September 20, 2012
• Critical Infrastructure: DHS Needs to Refocus Its Efforts to Lead the Government Facilities Sector, GAO-12-852, August 20, 2012
• Critical Infrastructure Protection: DHS Is Taking Action to Better Manage Its Chemical Security Program, but It Is Too Early to Assess Results, by Stephen L. Caldwell, director, homeland security and justice, before the Subcommittee on Homeland Security, House Committee on Appropriations, GAO-12-515T, July 26, 2012
• Federal Protective Service: Preliminary Results on Efforts to Assess Facility Risks and Oversee Contract Guards, by Mark L. Goldstein, director, physical infrastructure, before the Subcommittee on Cybersecurity, Infrastructure Protection, and Security Technologies, House Committee on Homeland Security, GAO-12-943T, July 24, 2012
• Critical Infrastructure Protection: DHS Could Better Manage Security Surveys and Vulnerability Assessments, GAO-12-378, May 31, 2012
• Critical Infrastructure Protection: Cybersecurity Guidance Is Available, but More Can Be Done to Promote Its Use, GAO-12-92, December 9, 2012
• Homeland Security: Actions Needed to Improve Response to Potential Terrorist Attacks and Natural Disasters Affecting Food and Agriculture, GAO-11-652, August 19, 2011
• Rail Security: TSA Improved Risk Assessment but Could Further Improve Training and Information Sharing, GAO-11-688T, Jun 14, 2011
• Critical Infrastructure Protection: DHS Has Taken Action Designed to Identify and Address Overlaps and Gaps in Critical Infrastructure Security Activities, GAO-11-537R, May 19, 2011
• Transportation Worker Identification Credential: Internal Control Weaknesses Need to Be Corrected to Help Achieve Security Objectives, GAO-11-648T, May 10, 2011
• Transportation Worker Identification Credential: Internal Control Weaknesses Need to Be Corrected to Help Achieve Security Objectives, GAO-11-657, May 10, 2011
• Transportation Worker Identification Credential: Mailing Credentials to Applicants' Residences Would Not Be Consistent with DHS Policy, GAO-11-542R, Apr 13, 2011
• Electricity Grid Modernization: Progress Being Made on Cybersecurity Guidelines, but Key Challenges Remain to be Addressed, GAO-11-117, Jan 12, 2011
• Critical Infrastructure Protection: DHS Efforts to Assess and Promote Resiliency Are Evolving but Program Management Could Be Strengthened, GAO-10-772, Sep 23, 2010
• Public Transit Security Information Sharing: DHS Could Improve Information Sharing through Streamlining and Increased Outreach, GAO-10-895, Sep 22, 2010
• Supply Chain Security: CBP Has Made Progress in Assisting the Trade Industry in Implementing the New Importer Security Filing Requirements, but Some Challenges Remain, GAO-10-841, Sep 10, 2010
• Pipeline Security: TSA Has Taken Actions to Help Strengthen Security, but Could Improve Priority-Setting and Assessment Processes, GAO-10-867, Aug 4, 2010
• Technology Assessment: Explosives Detection Technologies to Protect Passenger Rail, GAO-10-898, Jul 28, 2010
• Critical Infrastructure Protection: Key Private and Public Cyber Expectations Need to Be Consistently Addressed, GAO-10-628, Jul 15, 2010
• Maritime Security: DHS Progress and Challenges in Key Areas of Port Security, GAO-10-940T, Jul 21, 2010
• Critical Infrastructure Protection: Update to National Infrastructure Protection Plan Includes Increased Emphasis on Risk Management and Resilience, GAO-10-296, Mar 5, 2010
• Supply Chain Security: Feasibility and Cost-Benefit Analysis Would Assist DHS and Congress in Assessing and Implementing the Requirement to Scan 100 Percent of U.S.-Bound Containers, GAO-10-12, Oct 30, 2009
• Critical Infrastructure Protection: OMB Leadership Needed to Strengthen Agency Planning Efforts to Protect Federal Cyber Assets, GAO-10-148, Oct 15, 2009
• Transportation Worker Identification Credential: Progress Made in Enrolling Workers and Activating Credentials but Evaluation Plan Needed to Help Inform the Implementation of Card Readers, GAO-10-43, Nov 18, 2009
• Critical Infrastructure Protection: Current Cyber Sector-Specific Planning Approach Needs Reassessment, GAO-09-969, Sep 24, 2009
• Transportation Security: Key Actions Have Been Taken to Enhance Mass Transit and Passenger Rail Security, but Opportunities Exist to Strengthen Federal Strategy and Programs, GAO-09-678, Jun 24, 2009
• The Department of Homeland Security's (DHS) Critical Infrastructure Protection Cost-Benefit Report, GAO-09-654R, Jun 26, 2009
• Transit Security Grant Program: DHS Allocates Grants Based on Risk, but Its Risk Methodology, Management Controls, and Grant Oversight Can Be Strengthened, GAO-09-491, Jun 8, 2009
• Supply Chain Security: Challenges to Scanning 100 Percent of U.S.-Bound Cargo Containers GAO-08-533T June 12, 2008
• Freight Rail Security: Actions Have Been Taken to Enhance Security, but the Federal Strategy Can Be Strengthened and Security Efforts Better Monitored, GAO-09-243, Apr 21, 2009
• Commercial Vehicle Security: Risk-Based Approach Needed to Secure the Commercial Vehicle Sector, GAO-09-85, Feb 27, 2009
• Transportation Security: Transportation Worker Identification Credential: A Status Update, GAO-08-1151T, Sep 17, 2008
• Critical Infrastructure Protection: DHS Needs to Better Address Its Cybersecurity Responsibilities, GAO-08-1157T, Sep 16, 2008
• Critical Infrastructure Protection: DHS Needs to Fully Address Lessons Learned from Its First Cyber Storm Exercise, GAO-08-825, Sep 9, 2008
• Information Technology: Federal Laws, Regulations, and Mandatory Standards to Securing Private Sector Information Technology Systems and Data in Critical Infrastructure Sectors, GAO-08-1075R, Sep 16, 2008
• Supply Chain Security: CBP Works with International Entities to Promote Global Customs Security Standards and Initiatives, but Challenges Remain, GAO-08-538, Aug 15, 2008
• Critical Infrastructure Protection: Further Efforts Needed to Integrate Planning for and Response to Disruptions on Converged Voice and Data Networks, GAO-08-607, Jun 26, 2008
• Supply Chain Security: Challenges to Scanning 100 Percent of U.S.-Bound Cargo Containers, GAO-08-533T, Jun 12, 2008
• Supply Chain Security: U.S. Customs and Border Protection Has Enhanced Its Partnership with Import Trade Sectors, but Challenges Remain in Verifying Security Practices, GAO-08-240, Apr 25, 2008
• Drinking Water: The District of Columbia and Communities Nationwide Face Serious Challenges in Their Efforts to Safeguard Water Supplies GAO-08-687T April 15, 2008
• Maritime Security: Federal Efforts Needed to Address Challenges in Preventing and Responding to Terrorist Attacks on Energy Commodity Tankers GAO-08-141 December 10, 2007 [4.9 Mb]
• Internet Infrastructure: Challenges in Developing a Public/Private Recovery Plan GAO-08-212T October 23, 2007
• Transportation Security: Efforts to Strengthen Aviation and Surface Transportation Security are Under Way, but Challenges Remain GAO-08-140T October 16, 2007
• Agricultural Quarantine Inspection Program: Management Problems May Increase Vulnerability of U.S. Agriculture to Foreign Pests and Diseases GAO-08-96T October 3,2007
• Critical Infrastructure Protection: Multiple Efforts to Secure Control Systems Are Under Way, but Challenges Remain GAO-07-1036 September 10,2007 [6.0 Mb]
• Critical Infrastructure: Sector Plans Complete and Sector Councils Evolving GAO-07-1075T July 12, 2007
• Critical Infrastructure Protection: Sector Plans and Sector Councils Continue to Evolve GAO-07-706R July 10, 2007
• National Animal Identification System: USDA Needs to Resolve Several Key Implementation Issues to Achieve Rapid and Effective Disease Traceback GAO-07-592 July 6,2007 [3.7 Mb]
• 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]