The order requires those who have accessed payment records without proper security clearance to destroy them.

A judge ruled Saturday that the activities of Elon Musk’s government cost-cutting effort risk “the disclosure of sensitive and confidential information” and render them “more vulnerable than before to hacking.

A federal judge early Saturday blocked Elon Musk’s “Department of Government Efficiency” from accessing Treasury Department records that contain sensitive personal data such as Social Security and bank account numbers for millions of Americans.