UK, EU officially pin Poland energy cyberattack on Russia

The UK and EU are demanding urgent action from critical infrastructure organizations after formally attributing the December 2025 cyberattack on Poland's power grid to Russia's Federal Security Service.

The Foreign, Commonwealth & Development Office (FCDO) described the attack, carried out by the FSB's Centre 16 division, as "another example of the Russian state's irresponsible attempts to sow chaos across Europe."

Milosz Motyka, Poland's energy minister, confirmed the attack on the country's power grid in January. He said experts suspected that whoever was behind it attempted to disrupt communication between renewable hardware and power distribution operators.

The attack was ultimately unsuccessful, but suspicion quickly fell on Russia.

Attackers tried to deploy the destructive DynoWiper malware, a move typically associated with Russian state-backed operations. Mandiant previously tied the 2023 blackouts in Ukraine to Sandworm's deployment of CaddyWiper malware, while the NCSC and its allies fingered the same military intelligence unit for...

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