Cybersecurity incident — 2017-01-25 00:00:00
Affected organization: QQ.com
Affected country: China
Industry: Professional, Scientific, and Technical Services
Event type: Exploitive
Event subtype: Exploitation of Application Server
Motive: Financial
Actor: Undetermined
Actor type: Criminal
Actor country: Undetermined

A dark web vendor going by the handle "DoubleFlag" sells 1 billion accounts stolen from several Chinese Internet giants, including NetEase Inc and its subsidiaries 126.com, 163.com and Yeah.net. Tencent Holdings Limited owned QQ.com, TOM Group's Tom.com 163.net, Sina Corporation's Sina.com/Sina.com.cn, Sohu Inc's Sohu.com and Letter Network Information Technology Co., Ltd owned eYou.com.