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UnclassifiedIdeologyAdvanced sophistication

NoisyBear

NoisyBear is a threat actor group with an ideological motive, tracked by Brandefense.

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Techniques
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Exploited CVEs
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Record updated

About NoisyBear.

A sophisticated cyber-espionage threat actor attributed to known Russian-speaking groups, responsible for 'Operation BarrelFire' targeting the energy sector.

Last updated Jul 24, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.