The United States government may be grappling with the most consequential cybersecurity breach in its history — one that didn’t originate from a hostile foreign intelligence service or a sophisticated criminal syndicate, but potentially from within its own walls. The Department of Government Efficiency, known as DOGE, the cost-cutting initiative spearheaded by Elon Musk and operating under executive authority from President Donald Trump, has been granted sweeping access to some of the most sensitive federal databases in existence. Now, mounting evidence suggests that access may have opened the door to a catastrophic compromise of Americans’ personal data on an unprecedented scale.…