The Treasury Department has ended its contracts with Booz Allen Hamilton after a former contractor leaked tax information of President Trump and thousands of the country’s wealthiest people.

Treasury Secretary Scott Bessent said in a statement that the firm “failed to implement adequate safeguards to protect sensitive data, including the confidential taxpayer information it had access to through its contracts with the Internal Revenue Service,” The Associated Press reported Monday.

The department said that it has 31 contracts with Booz Allen Hamilton, a business mangement and consuting firm, totaling $4.8 million in annual spending and $21 million in total obligations.

In 2024, Charles Edward Littlejohn of Washington, D.C., a former IRS contractor who worked for Booz Allen Hamilton, was sentenced to five years in prison after pleading guilty to leaking tax information about Trump and others to news outlets.

Littlejohn gave tax data to The New York Times and ProPublica between 2018 and 2020 in leaks that prosecutors said appeared to be “unparalleled in the IRS’s history.”

Prosecutors said that Littlejohn had applied to work as a contractor to get Trump’s tax returns and carefully determined how to search and extract tax data to avoid triggering suspicions internally.

Booz Allen spokesperson Brian P. Hale said the firm has consistently condemned Littlejohn’s actions and has zero tolerance for violating the law.

“Booz Allen fully supported the U.S. government in its investigation, and the government expressed gratitude for our assistance, which led to Littlejohn’s prosecution,” Hale said. “We look forward to continuing discussions with Treasury on this matter.”

The firm also said that it doesn’t store taxpayer data on its systems, and has no ability to monitor activity on government networks.