Elon Musk's access to government agencies is "the largest IT security breach in our country’s history," says one expert sounding the alarm.

President Donald Trump said Friday that billionaire Elon Musk and his tech team can access people’s Social Security numbers quite “easily,” an admission fueling Democrats’ efforts in Congress for new data protection legislation.

A team led by Elon Musk recently gained access to America’s federal payment infrastructure — a system responsible for distributing trillions of dollars in Social Security, Medicare, federal salaries and government contracts annually.