In December 2011, China’s largest online forum known as Tianya was hacked and tens of millions of accounts were obtained by the attacker. The leaked data included names, usernames and email addresses.
Accounts breached: 29020808
Breached on: December 26, 2011
Exposed data: Email addresses, Names, and Usernames
Domain: tianya.cn
Added on: June 30, 2016