Tianya data breach
The Tianya breach happened on December 26, 2011 and exposed 29,020,808 accounts. 3 kinds of data were exposed.
Overview
- Site
- tianya.cn
- Breach date
- December 26, 2011
- Recorded on
- June 30, 2016
- Accounts exposed
- 29,020,808
- Exposed data
- Email addresses, Names, Usernames
- Risk score
- 21 out of 100
Risk based on the exposed data
This breach scores 21 out of 100. The score is driven mostly by Email addresses, Names, Usernames.
The risk score is a guide to how dangerous a breach is, judged by the kinds of data exposed. The number of accounts is not included.
Breaches from the same period
- RuneScape Boards (2011-12-26, 222,762 accounts)
- 17173 (2011-12-28, 7,485,802 accounts)
- Stratfor (2011-12-24, 859,777 accounts)
What affected users should do
- Passwords were not exposed, but you may receive fake emails aimed at the exposed email addresses.
- Turn on two-factor authentication for your login.
This site organizes publicly available information about data breaches. Data as of March 23, 2026. Breach dates are as originally listed; when only the month is known, the date is recorded as the 1st.