Experts found 4 billion user records online, the largest known leak of Chinese personal data from a single source
Security Affairs
JUNE 7, 2025
Over 4 billion user records were found exposed online in a massive breach, possibly linked to the surveillance of Chinese citizens. Cybersecurity researcher Bob Dyachenko and the Cybernews team discovered a massive data leak in China that exposed billions of documents, including financial, WeChat, and Alipay data, likely affecting hundreds of millions.
Let's personalize your content