zhenai.com

In 2011, a massive data breach occurred at Zhenai.com, a popular Chinese dating website. The breach exposed the personal information of 5,024,908 users, including their names, addresses, phone numbers, and email addresses.

This data leak was a major privacy breach and raised concerns about the security of personal data in China. It also exposed the lack of regulations and oversight surrounding data privacy in the country at the time.