If you tend to reuse passwords or haven’t changed one in years, you should assume your credentials are vulnerable and take steps to protect yourself.

“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.”

More than 16 billion passwords have been leaked online in what researchers are calling the largest amount of breached data in history. This massive exposure, highlighted by the “Cybernews” platform, is raising growing concerns about the security of digital accounts for millions of users worldwide.