tech

January 25, 2026

Wiper malware targeted Poland energy grid, but failed to knock out electricity

Destructive payload unleashed on 10-year anniversary of Russia’s attack on Ukraine’s grid.

Wiper malware targeted Poland energy grid, but failed to knock out electricity

TL;DR

  • Poland's electric grid was targeted by wiper malware, likely by Russian state hackers.
  • The attack occurred in the last week of December and aimed to disrupt communications for electricity delivery.
  • The malware used has been dubbed DynoWiper and is a type of wiper that permanently erases data.
  • ESET attributes the attack with medium confidence to the Russia-aligned Sandworm APT group.
  • The attack failed to cause any successful disruption.
  • Sandworm has a history of destructive attacks, including a notable 2015 attack on Ukraine's power grid.
  • Other Russian wiper malware attacks mentioned include AcidRain in 2022 and NotPetya in 2017.

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