Tested Everywhere, Trusted Nowhere: How Stolen Passwords Are Quietly Unlocking Accounts You Forgot You Had
When a database of stolen credentials surfaces on the dark web, the damage rarely stops at the breached company. Automated tools allow attackers to test those same username-and-password combinations against thousands of unrelated websites within hours — a practice known as credential stuffing that has quietly become one of the most pervasive threats facing ordinary Americans online.