<ul><li>A massive database containing roughly 4 billion records, including personal information, was found online by cybersecurity researchers.</li><li>The dataset primarily includes Chinese customer and user data, suggesting a surveillance effort targeting Chinese citizens.</li><li>The information in the leak could be exploited for social engineering attacks, identity theft, fraud, or blackmail.</li><li>The dataset was quickly taken down, but the extent of exposure raises concerns about privacy and security, with the leak surpassing previous massive data breaches.</li></ul>

Over 4 billion user records leaked in "largest breach ever" - here's what you need to know

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