Also tracked as IRON TILDEN, Primitive Bear, ACTINIUM, Armageddon, Shuckworm, DEV-0157, Aqua Blizzard, NastyShrew
Gamaredon Group is a suspected Russian cyber espionage group that has targeted military, law enforcement, judiciary, non-profit, and non-governmental organizations in Ukraine since at least 2013. The name Gamaredon Group derives from a misspelling of the word "Armageddon," found in early campaigns.
In November 2021, the Ukrainian government publicly attributed Gamaredon Group to Russia’s Federal Security Service (FSB) Center 18, an assessment later supported by multiple independent cybersecurity researchers.
Derived from MITRE ATT&CK's own description text for this group — not a confirmed, exhaustive targeting assessment.
Shown when this actor's known techniques match your monitored environment.
Surfaced when a technique used by this actor maps to a tracked CISA KEV entry.
Derived from MITRE's own published description text, never asserted beyond it.
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