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Miljödata

SourceHave I Been Pwned
StatusConfirmed breach
AddedSeptember 16, 2025
OccurredAugust 25, 2025
Accounts affected870,108
Domainmiljodata.se
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What was exposed
Dates of birthEmail addressesGendersGovernment issued IDsNamesPhone numbersPhysical addresses
What to do if you were affected
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Details
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.
Frequently asked questions

What is the Miljödata data breach?

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...

When did the data breach happen?

This data breach occurred around August 2025.

How many accounts were affected?

Around 870,108 accounts were affected.

What information was exposed?

Exposed data included Dates of birth, Email addresses, Genders, Government issued IDs, Names, Phone numbers and Physical addresses.

What should I do if I was affected?

Place a fraud alert or credit freeze with the major credit bureaus to block new accounts opened in your name. Expect more phishing and spam at this address. Treat messages that reference this company with extra caution. Watch for text-message phishing and SIM-swap attempts on your phone number. Be wary of targeted scams that use your personal details to sound convincing.

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