16 million passwords leaked on Internet: How to check if your Facebook, Instagram, Gmail password leaked

Security researchers have warned of a massive

data breach

which has compromised 16 millions login credentials worldwide. The data leaked exposed user data on platforms like Google, Facebook, Apple and countless other services. The discovery, made by CyberNews researchers during an ongoing investigation since January 2025, represents what could be the largest credential leak in history.The exposed data sets range dramatically in size, from smaller collections containing tens of millions of records to massive databases housing over 3.5 billion credentials each. The massive trove of stolen data was briefly accessible through unsecured databases before being locked down, though researchers were unable to identify the owners. Most concerning is that virtually all datasets were previously unreported, with only one 184-million-record database having been disclosed before by Wired magazine in May.

How to check if your data has been compromised

There are multiple ways using which you can easily check if your login credentials have been compromised. You can use the below mentioned ways to check:

What to do if your credentials are exposed

You can take some corrective measures in case your data has been exposed in the online leak