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DynoWiper Malware Targets Polish Energy Sector in Late 2025 Attacks

DynoWiper Malware Targets Polish Energy Sector in Late 2025 Attacks

First seen 4 Feb 2026, 08:46 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

In late December 2025, Russian-linked hackers from the Sandworm group launched attacks using a new wiper malware named DynoWiper, specifically targeting a Polish energy company. The malware is designed to cause destructive data loss, impacting the operations of energy firms in the region.

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