- Svenska kraftnät hit by ransomware; The theft of 280 GB of internal data is reported
- The electrical system is not affected; The investigation into the data breach is ongoing.
- The Everest group claimed responsibility; believed to be Russian-speaking, not state-sponsored
Svenska kraftnät, Sweden’s national grid operator, confirmed that it suffered a ransomware attack and data breach, and is now being extorted for money.
In a brief announcement posted on its website, the company said it was now investigating “to find out what information has been leaked and how it could affect us.”
“We see no indication that the electrical system is affected,” Cem Göcgören, head of information security at Svenska kraftnät, said in a machine-translated statement.
Everest
Svenska kraftnät is Sweden’s national grid operator, a government agency responsible for the maintenance and operation of the country’s electricity transmission system.
“Our current assessment is that mission-critical systems have not been affected,” Göcgören said. “At this time, we will not comment on the perpetrators or motives until we have confirmed the information.”
While he did not discuss who the threat actors were, what type of files they stole, or how much money they demand in return, The record discovered that a group called Everest had claimed responsibility on the dark web, saying it had stolen around 280GB of internal files, without going into specific details.
Everest is a known ransomware organization, but it does not have a dangerous group image.
In fact, he became a laughing stock in the cybersecurity community after breaking into Mailchimp in 2024 as he stole such a small batch of data from the company (around 767 MB of information).
One person shared their thoughts on social media, describing the breach as affecting “like a customer,” while the other commented that the breach was “probably 300 milliseconds of Mailchimp data. Probably a customer’s emails were leaked.”
Everest is not a state-sponsored group, but because its members speak Russian, security researchers believe the group is located there.

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