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Sweden's Power Grid Faces Serious Ransomware Data Breach

10/30/2025

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Summary

Story summary

Svenska kraftnät, Sweden's state-owned power grid operator, reported a data breach from ransomware by the Everest group.
The Everest group, active since 2020, claimed to have stolen 280 GB of data and is not state-sponsored.
The breach involved an external file transfer system.
Power supply and critical systems remained unaffected.
Cem Göcgören, Head of Information Security at Svenska kraftnät, described the breach as serious and said authorities were notified.

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Story summary

Svenska kraftnät, Sweden's state-owned power grid operator, reported a data breach from ransomware by the Everest group.
The Everest group, active since 2020, claimed to have stolen 280 GB of data and is not state-sponsored.
The breach involved an external file transfer system.
Power supply and critical systems remained unaffected.
Cem Göcgören, Head of Information Security at Svenska kraftnät, described the breach as serious and said authorities were notified.