178.com

The 178.com leak was a major data breach that occurred in 2011, exposing the personal information of over 9 million users of the Chinese social networking site 178.com.

The leaked data included usernames, passwords, email addresses, phone numbers, and other personal information. The breach was caused by a flaw in the websites security system that allowed attackers to access the user database.

The 178.com leak was one of the largest data breaches at the time and raised concerns about the security of online personal information.