Gossamer Bear
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GOSSAMER BEAR is a Russian state-nexus adversary likely attributable to the Federal Security Service (FSB) of the Russian Federation assessed with moderate confidence. CrowdStrike Intelligence assesses GOSSAMER BEAR operations are likely at least partly conducted out of Komi Republic in northwest Russia by Officers affiliated with the FSB’s 18th Center. The adversary has conducted credential colle...
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Gossamer Bear
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Russian Federation, Eastern Europe, Europe
Community Identifiers
Callisto, COLDRIVER, DancingSalome, Blue Callisto, UNC4057, BlueCharlie, SEABORGIUM, TAG-53, Calisto, Star Blizzard, UAC-0036
Objective
Intelligence Gathering
Motivation
State-Sponsored
CrowdStrike 2026 Threat Hunting Report
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