From forgotten documents left on trains to accidental uploads of top-secret files, government blunders have led to some of the most dramatic leaks of classified information, exposing vulnerabilities and sparking global controversies.
Some of the most jaw-dropping government revelations didn’t come from whistleblowers or declassified files, but from simple mistakes. Whether it was a misplaced memo, an unredacted report, or a photo that shouldn’t have been shared, these secrets slipped out when nobody was looking. From secret prisons to UFO investigations, these accidental leaks gave the public a rare glimpse behind closed doors.