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Data Breach at Miljödata Exposes 1.5 Million Swedish Citizens

Data Breach at Miljödata Exposes 1.5 Million Swedish Citizens

First seen 12 Nov 2025, 21:25 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

The Swedish Authority for Privacy Protection (IMY) is investigating a data breach at Miljödata, a major government software supplier, which has exposed the personal information of approximately 1.5 million individuals. The breach was discovered after Miljödata experienced system disruptions affecting government services, and a threat actor contacted the company regarding the incident.

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