Exposed in this breach? Do this now
Change the password
On the breached site and everywhere else you reused it. Make every password unique.
Enable 2FA
A second factor keeps a leaked password from becoming a hijacked account.
Set up monitoring
and get notified the moment your data appears in a new leak.
Miljodata.se breach: questions and answers
When was the Miljodata.se compilation leaked?
The Miljodata.se compilation dates to August 2025.
How many records were leaked in the Miljodata.se compilation?
LeakCheck has indexed 840,103 records from the Miljodata.se compilation.
What data was exposed in the Miljodata.se compilation?
The leaked records include email addresses, names, phone numbers, dates of birth, physical addresses, geographic locations and social security numbers.
Were passwords exposed in the Miljodata.se compilation?
No. The records indexed from Miljodata.se do not include passwords — but the other details they hold can still be used for phishing.
Is Miljodata.se a single breach?
No. It is a compilation of records aggregated from several leaks rather than a breach of a single site.
How do I check if my data was in the Miljodata.se compilation?
Enter your email address, username or phone number in the search form on this page. The free check shows whether your data appears in the Miljodata.se compilation — and in any of the other 1,468 sources LeakCheck indexes.
What should I do if my data was in the Miljodata.se compilation?
Change the password you used on Miljodata.se and everywhere you reused it, turn on two-factor authentication, and watch for phishing that quotes details from the leak. To hear about the next breach first, set up breach monitoring.