Over 4 Billion User Records Leaked in "Largest Breach Ever" - Here's What You Need to Know

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

Hundreds of millions of users could be exposed in "largest breach ever" against Chinese victims.

More than 4 billion user records exposed in biggest data leak ever — everything you need to know

With 4 billion user records left exposed online without a password, this data leak could be the biggest yet.

Experts Found 4 Billion User Records Online, The Largest Known Leak Of Chinese Personal Data From A Single Source - Cybernoz - Cybersecurity News

Experts found 4 billion user records online, the largest known leak of Chinese personal data from a single source Pierluigi Paganini June 07, 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 financ…

More than 4B user records compromised in largest Chinese data leak yet

Cybernews reports that hundreds of millions of individuals in China potentially had their information exposed by an insecure 631 GB database that contained four billion records, making it the largest data leak in the cou…