DynoWiper Wiper Malware Launches Destructive Attacks On Energy Firms

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

DynoWiper Malware Targets Polish Energy Sector in Late 2025 Attacks 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. 2 sources 90