Gossamer Bear

Russian Federation


GOSSAMER BEAR is a Russian state-nexus adversary likely attributable to the Federal Security Service (FSB) of the Russian Federation assessed with moderate confidence. The adversary has conducted credential collection campaigns since 2014 that target government, military, and media entities with a particular focus on organizations operating within Ukraine, or those that have links with the country...

Community Identifiers



  • SjGCu4bm8qcaVAvfzY67R0l


  • 5tk1T86KfRAPdUF

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IOCs for this adversary


During a cybersecurity incident, indicators of compromise (IoC) are clues and evidence of a data breach.