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9 June 2025

Largest ever data leak exposes over 4 billion user records

Largest ever data leak exposes over 4 billion user records

The Cybernews research team’s latest findings reveal the supermassive data leak:

  • Hundreds of millions of users are likely exposed

  • Data leak contained billions of documents with financial data, WeChat and Alipay details.

  • The Cybernews research team believes the dataset was meticulously gathered and maintained for building comprehensive behavioral, economic, and social profiles of nearly any Chinese citizen.

A humungous, 631GB-strong database was left without a password, publicizing mind-boggling 4 billion records. The dataset was meticulously gathered and maintained for building comprehensive behavioral, economic, and social profiles of nearly any Chinese citizen. 

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