The ruling found that DOGE access to the payment systems created a “realistic danger that confidential financial information will be disclosed.”

Judge Jeannette A. Vargas issued a preliminary injunction on Friday but said she may lift the ban if the Treasury Department certifies by March 24 that DOGE members have received required cybersecurity training.

A group of state attorneys general sued to block the Trump administration’s policy of allowing political appointees and “special government employees” championed by Elon Musk access to government data.