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Denmark Blames Russia for Destructive Cyberattack on Water Utility

Denmark blames Russia-linked hacker groups for damaging water infrastructure and disrupting election websites, citing 147 similar incidents across Europe, officials said.

  • On December 18, 2025, Denmark's government announced at a Copenhagen press conference led by Troels Lund Poulsen, Danish Defense Minister, that two hacker groups linked to Russia carried out cyberattacks.
  • Ahead of voting last month, websites of political parties, municipalities, public institutions and a defense company were made inaccessible in an attack claimed by NoName057, hacker group.
  • Agency head Thomas Ahrenkiel told reporters that `We are very confident that these are pro-Russian groups linked to the Russian state` and `We are not in a state of war, we are not in a state of peace, but we are in hybrid warfare.`
  • Troels Lund Poulsen announced steps including summoning the Russian ambassador and said the government plans to set up a cyber-surveillance network and online operations center.
  • Physical damage from the water-utility breach illustrates national-security stakes as a 2024 Z-Pentest attack exploded pipes at a Danish water treatment plant, with Torsten Schack Pedersen calling it "very serious" and "particularly grave.
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34 Articles

Ottumwa CourierOttumwa Courier
+4 Reposted by 4 other sources
Center

Denmark blames Russia for cyberattacks ahead of elections and on water utility

Danish authorities say Russia carried out cyberattacks against Denmark's infrastructure and websites in 2024 and 2025.

Lean Right

Europe's governments no longer only defend hacker attacks. They also attack. Retaliation against the nuclear power Russia seemed unthinkable for a long time, now it takes place, albeit in secret. A country is at the center of the cyber war.

·Dortmund, Germany
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Lean Left

The Danish Foreign Ministry summons the Russian ambassador for a meeting.

Lean Left

Copenhagen attributed attacks to groups of hackers linked to the Kremlin, including one that occurred in the middle of the electoral process

·Buenos Aires, Argentina
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Bias Distribution

  • 53% of the sources lean Left
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Politiken broke the news in Copenhagen, Denmark on Thursday, December 18, 2025.
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