Russia-linked wiper targets Poland’s grid but power stays on
TL;DR
Poland’s electric grid was targeted by a new wiper malware, allegedly from Russia’s Sandworm group, on the late-December anniversary of a Ukraine grid attack. The payload, dubbed DynoWiper, aimed to disrupt communications between renewables and grid operators but did not cause a blackout. Attribution is at medium confidence and researchers say there’s no evidence of disruption, with several possible reasons the attack failed.
- Wiper malware targeted Poland energy grid, but failed to knock out electricity Ars Technica
- ESET Research: Sandworm behind cyberattack on Poland’s power grid in late 2025 WeLiveSecurity
- New DynoWiper Malware Used in Attempted Sandworm Attack on Polish Power Sector The Hacker News
- Cyberattack Targeting Poland’s Energy Grid Used a Wiper zetter-zeroday.com
- Researchers say Russian government hackers were behind attempted Poland power outage TechCrunch
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