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Hundreds of Swedish municipalities impacted by suspected ransomware attack on IT supplier

Posted on August 27, 2025 by Dissent

Alexander Martin reports:

A suspected ransomware attack on Miljödata, a Swedish software provider used for managing sick leave and similar HR reports, is believed to have impacted around 200 of the country’s municipal governments.

The attack was detected on Saturday, according to the company’s chief executive Erik Hallén. The attackers are attempting to extort Miljödata, police told local newspaper BLT.

Swedish Minister for Civil Defence Carl-Oskar Bohlin wrote in a short update on social media: “The scope of the incident has not yet been clarified, and it is too early to determine the actual consequences.”

Hallén told Swedish press agency TT that around 200 municipalities and regions were affected by the incident. Sweden has 290 municipalities and 21 regions.

Read more at The Record.

Category: Government SectorNon-U.S.Of NoteSubcontractor

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