verified2025-08-25

MiljödataMiljödata breach

miljodata.se · 870,108 records compromised

Records
870K
Breach date
2025-08-25
Domain
miljodata.se
Data classes
7

Description

In August 2025, the Swedish system supplier Miljödata was the victim of a ransomware attack . Following the attack, data was subsequently published on the dark web and included 870k unique email addresses across various compromised files. Data also included names, phone numbers, physical addresses, dates of birth and government-issued personal identity numbers.

Compromised data classes· 7

Dates of birthEmail addressesGendersGovernment issued IDsNamesPhone numbersPhysical addresses

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

Breach
MC2 Data
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DemandScience by Pure Incubation
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Welhof
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Odido
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Giglio
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Hopamedia
Sourced from Have I Been Pwned. Aggregate metadata only — no PII. Curated by Adam Lundqvist, Founder at SQUR.