PLA Unit 61398
| People's Liberation Army Unit 61398 | |
|---|---|
| 61398部队 | |
| Emblem of the People's Liberation Army | |
| Active | 2014–present | 
| Country | China | 
| Allegiance | Chinese Communist Party | 
| Branch | People's Liberation Army Cyberspace Force | 
| Type | Cyber force, Cyber-espionage Unit | 
| Role | Cyber warfare Electronic warfare | 
| Part of | People's Liberation Army | 
| Garrison/HQ | Tonggang Road, Pudong, Shanghai | 
| Nickname(s) | 
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| Engagements | 
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PLA Unit 61398 (also known as APT1, Comment Crew, Comment Panda, GIF89a, or Byzantine Candor; 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. The unit is stationed in Pudong, Shanghai, and has been cited by US intelligence agencies since 2002.