Event Brief
Feb 26, 2026 at 3:03 AM ET
Largest Cyberattack on Polish Energy Infrastructure
By The BriefBrief
Initial suspicion fell on Sandworm, but new findings suggest a different actor behind the attack.
WHO: Sandworm, GRU military intelligence
WHAT: Cyberattack on Polish energy infrastructure
WHEN: Feb 26, 2026 at 2:08 AM ET
WHERE: Poland
WHY: To sabotage energy infrastructure
How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.
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