Activity timeline
UMBRAL BISON appears in 1 tracked threat between and .
Threat actorBelarusTracked since 2026-08
UMBRAL BISON
As of 2026-08-03, UMBRAL BISON is a Belarus-nexus threat actor tracked by Threadlinqs Intelligence across 1 threat spanning vulnerability.
- Tracked threats
- 11 high
- First seen
- 2026-08-03
- Last seen
- 2026-08-03
- ATT&CK techniques
- —No mapped techniques yet
- Related CVEs
- 1Referenced by its activity
- Attribution
- BelarusNation or origin