In a letter to the Treasury secretary, the Democratic senator warned against meddling with a system that processes trillions of dollars of transactions.

As Elon Musk and his associates gain access to internal computers, Oregon Democratic Sen. Ron Wyden slammed the move and said it poses a national security risk. Musk claims the Treasury system isn't adequately fighting fraud,

President Donald Trump said Elon Musk has access to Treasury systems that allow him to monitor federal spending before payments are made, but that the world’s richest man does not have the power to stop payments himself without approval.