GAO Reports & Testimonies

GAO Report on DOD Cybersecurity Maturity Model Certification Program

The GAO released a report on the Department of Defense's Cybersecurity Maturity Model Certification (CMMC) program, finding that DOD has not fully identified or planned for key external factors affecting implementation. The report highlights potential risks, such as a lack of certified assessors, which could undermine the program's goals.

K-12 CSI Schools: Characteristics, Turnaround Strategies, and Challenges

The GAO released a report on K-12 Comprehensive Support and Improvement (CSI) schools, detailing their characteristics, turnaround strategies, and challenges. The report notes an increase in CSI schools and identifies factors influencing their improvement, such as student demographics and school size.

GAO: DOT Grants Need Lessons Learned Plan

The GAO released a report recommending that the Department of Transportation (DOT) develop a comprehensive lessons-learned plan for its Strengthening Mobility and Revolutionizing Transportation (SMART) grants program. The report highlights that while DOT has collected project data, it has not fully analyzed it to identify lessons for future technology deployments.

GAO Reviews Senate Records Receipts and Procedures

The GAO has published a review of the Senate Office of Public Records' fiscal year 2024 receipts and procedures, as requested by the Senate Committee on Rules and Administration. The report details agreed-upon procedures performed to assist the Secretary of the Senate in verifying the accuracy of the office's financial records.

GAO Report on Federal Grants for Health Care Mental Health

A GAO report details three federal grant programs administered by HHS from 2022-2024, which provided $103.2 million to 45 grantees to improve mental health among health professionals. The report highlights the stress faced by healthcare workers and the impact of the COVID-19 pandemic on their mental well-being.

GAO Report: Museum Maintenance Backlog and Risks

A GAO report highlights that approximately 85% of US museums have a maintenance backlog, with many facing risks to collections and visitor safety due to aging infrastructure. The report notes that federal funding is not available for construction-related expenses, and the total cost of repairs remains unknown.

GAO Report: Student Loan Servicers Failed Standards, Resulting in Penalties

A GAO report found that 4 out of 5 federal student loan servicers failed to meet performance standards for record accuracy and call quality, leading to approximately $850,000 in penalties. The Department of Education's Office of Federal Student Aid (FSA) stopped assessing these metrics in February 2025 due to staff reductions.

GAO: State Department Needs Plans for Overseas Antidemocratic Actions

The GAO released a report recommending that the State Department develop plans to mitigate risks associated with democracy assistance programs that may need to be redirected away from host-country government entities. The report highlights challenges faced in providing aid and notes that current planning does not adequately address potential shifts in assistance due to antidemocratic actions by recipient governments.

GAO Report on Dental and Vision Insurance Market Concentration

A GAO report released on March 9, 2026, examines market concentration in the dental and vision insurance sectors across US states. The report indicates that market concentration varies by state and notes limited research on the effects of concentration and vertical integration in these markets.

GAO Report on Cybersecurity Regulation Harmonization

The GAO has released a report highlighting industry perspectives on the challenges and opportunities in harmonizing federal cybersecurity regulations for critical infrastructure. The report identifies redundancies and conflicts arising from overlapping regulations, impacting private sector entities responsible for essential services.