All Breaches
December 26, 2011 Verified Social Media

Tianya 2011 Data Breach

The Tianya data breach is associated with an unauthorized-access incident affecting the Chinese online forum Tianya on December 26, 2011. The verified scope contains 29,020,808 user records.

29 Million
Reported Records
3
Data Types
Critical
Severity
Yes
Verification

Exposed Data Types

3
Email addresses
Names
Usernames

Additional Information

Added DateJune 30, 2016
Breach DateDecember 26, 2011
Domaintianya.cn
Last Content UpdateJuly 21, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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