The new dataset combines an old leak from 2023, when threat actors exposed over 200 million twitter user emails, with new data that is primarily public The cybernews research team notes that almost all appended data fields are publicly available on x profiles. What happened in the x data breach In march 2025, reports surfaced regarding a large dataset containing x (formerly twitter) user information that had become available on various online hacking forums and dark web marketplaces While initial descriptions highlighted a More than 200 million claimed leaked and stolen data records relating to x users have been posted on a popular hacker forum
What you need to know. A data leak involving a whopping 2.87 billion twitter (x) users has surfaced on the infamous breach forums According to a post by a user named thinkingone, the leak is the result of a disgruntled x employee who allegedly stole the data during a period of mass layoffs. A massive data leak of 2.87 billion x/twitter profiles, more than four times the site's current active monthly user estimate and likely including most going back to the creation of twitter, may have been the work of a disgruntled former employee laid off during musk's takeover of the company. In what could be the largest social media data breach in history, 400gb of x (formerly twitter) user data containing over 2.873 billion records was allegedly leaked online in january 2025 The breach was first exposed by a data leak forum user known as “thinkingone” on march 28, 2025, who claimed it was the result of actions taken by a disgruntled employee during widespread layoffs at x.
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