PLA Unit 61398
| People's Liberation Army Unit 61398 | |
|---|---|
| 61398部队 | |
| Country |
 People's Republic of China
|
| Branch |
 People's Liberation Army
|
| Type | Cyber force |
| Role |
Cyber warfare Electronic warfare |
| Garrison/HQ | Tonggang Road, Pudong, Shanghai |
| Engagements | |
PLA Unit 61398 (Chinese: 61398部队, Pinyin: 61398 bùduì) is the Military Unit Cover Designator (MUCD) of a People's Liberation Army advanced persistent threat unit that has been alleged to be a source of Chinese computer hacking attacks.
On 19 May 2014 the U.S. Department of Justice announced that a Federal grand jury had returned an indictment of five 61398 officers on charges of theft of confidential business information and intellectual property from U.S. commercial firms and of planting malware on their computers. The five are Huang Zhenyu (黄振宇), Wen Xinyu (文新宇), Sun Kailiang (孙凯亮), Gu Chunhui (顾春晖), and Wang Dong (王东). Forensic evidence traces the base of operations to a 12-story building off Datong Road in a public, mixed-use area of Pudong in Shanghai. The group is also known by various other names including "Advanced Persistent Threat 1" ("APT1"), "the Comment group" and "Byzantine Candor", a codename given by US intelligence agencies since 2002.
A report by the computer security firm Mandiant stated that PLA Unit 61398 is believed to operate under the 2nd Bureau of the People's Liberation Army General Staff Department (GSD) Third Department (总参三部二局). and that there is evidence that it contains, or is itself, an entity Mandiant calls APT1, part of the advanced persistent threat that has attacked a broad range of corporations and government entities around the world since at least 2006. APT1 is described as comprising four large networks in Shanghai, two of which serve the Pudong New Area. It is one of more than 20 APT groups with origins in China. The Third and Fourth Department, responsible for electronic warfare, are believed to comprise the PLA units mainly responsible for infiltrating and manipulating computer networks.
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