PLA Unit 61398

People's Liberation Army Unit 61398
61398部队
Emblem of the People's Liberation Army
Active2014–present
Country China
Allegiance Chinese Communist Party
BranchPeople's Liberation Army Cyberspace Force
TypeCyber force, Cyber-espionage Unit
RoleCyber warfare
Electronic warfare
Part of People's Liberation Army
Garrison/HQTonggang Road, Pudong, Shanghai
Nickname(s)
  • APT 1
  • Comment Crew
  • Comment Panda
  • GIF89a
  • Byzantine Candor
  • Group 3
  • Threat Group 8223
Engagements

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.