US EditionESET: Russia likely behind Poland power grid attack
- ESET researchers said a December cyberattack on Poland's national power system was halted without disruption and attributed it to Sandworm with "medium" confidence.
- ESET believes the operation was timed to mark the ten-year anniversary of Sandworm's 2015 attack, while officials have not tied the latest aggression to a single event amid the fractious Poland–Russia relationship.
- The attackers deployed DynoWiper malware on Poland's national energy systems and tried to sever communications between renewable installations and power distribution operators; the use of wipers matches Sandworm's known tradecraft.
- Polish authorities called the attack the strongest on energy infrastructure in years and arrested individuals suspected of Russian espionage; ESET Research said it will continue investigating and sharing new evidence.
- The episode follows researchers stressing the attack echoed Sandworm's 2015 Ukraine power-grid attack, which left around 230,000 people powerless amid Polish Prime Minister Donald Tusk's sanctions and NATO Eastern Flank Deterrence Line efforts.
15 Articles
15 Articles
Hundreds of thousands of Poles almost ended up in the dark. During the last week of December 2025, the Polish electricity grid passed very close to a scenario... Read the article Cyberattack in Poland: A new Russian hacking system almost caused a blackout of the country appeared first on Current Values.
At the end of 2025, the energy supply in Poland seemed to be on the brink of a serious disruption. A coordinated cyber attack aimed to sabotage central IT systems of the power grid and cause large-scale failures. Digital sabotage instead of data theft The attack was detected and stopped in time, major damage remained. According to the findings of security experts of the European IT security company ESET, the attackers relied on particularly dest…
Poland's power grids barely escaped a massive shutdown. Experts have revealed who may have been involved in the large-scale cyber attack ᐅ TSN. ua (news 1+1).
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