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Nation-state APTIdeologyAdvanced sophistication · State-backed

FSB Centre 16

FSB Centre 16 is a Russia-attributed nation-state APT group with an ideological motive, tracked by Brandefense. It targets 16 sectors, including Government and Technology, in 76 countries, including the United States and the United Kingdom. It uses 116 MITRE ATT&CK techniques and exploits 14 known CVEs.

Also known as
  • TEMP.Isotope
  • DYMALLOY
  • Berserk Bear
  • TG-4192
  • Crouching Yeti
  • IRON LIBERTY
  • Energetic Bear
  • Ghost Blizzard
  • BROMINE
  • Dragonfly
  • Dragonfly 2.0
  • G0074
  • Group 24
  • Koala Team
  • Electrum
  • ATK 6
  • ITG15
  • Blue Kraken
  • G0035
Origin
Russia
Techniques
116
Exploited CVEs
14
First seen
Jan 1, 2010
Last seen
Apr 5, 2022
Record updated

Who They Target.

Labelsbdef-qf:trendingespionage

About FSB Centre 16.

Actors affiliated with the Russian Federal Security Service’s (FSB) Center 16, known for targeting global networking devices that support legacy, unencrypted protocols.

Last updated Sep 19, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.