NEW YORK — Researchers at cybersecurity outlet Cybernews say that billions of login credentials have been leaked and compiled into datasets online, giving criminals “unprecedented access” to accounts consumers use each day.

“This is not just a leak—it’s a blueprint for mass exploitation,” researchers said. “With over 16 billion login records exposed, cybercriminals now have unprecedented access to personal credentials that can be used for account takeover, identity theft, and highly targeted phishing.”

A newly discovered trove of stolen login credentials may represent the largest data breach in history, with billions of usernames and passwords now circulating online. Researchers with Cybernews uncovered more than 16 billion records spread across 30 databases,