Tencent Holdings Limited Data Breach (2011)
Tencent Holdings Limited
criticalVERIS
#3 largest data breach on record
Disclosed
January 1, 2011
5564 days ago
Records
12.0B
Confirmed
Root Cause
Hacking
Industry
Technology
Description
Tencent QQ was hacked using a combination of social engineering and hacking.70 million groups were exposed with 1.2 billion partially repeating QQ numbers exposed.