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Change the password
On the breached site and everywhere else you reused it. Make every password unique.
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A second factor keeps a leaked password from becoming a hijacked account.
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and get notified the moment your data appears in a new leak.
1Win breach: questions and answers
When did the 1Win data breach happen?
The 1Win breach dates to November 2024.
How many records were leaked in the 1Win breach?
LeakCheck has indexed 96,369,670 records from the 1Win breach.
What data was exposed in the 1Win breach?
The leaked records include email addresses, names, phone numbers, dates of birth, geographic locations and IP addresses.
Were passwords exposed in the 1Win breach?
No. The records indexed from 1Win do not include passwords — but the other details they hold can still be used for phishing.
How do I check if my data was in the 1Win breach?
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 1Win breach — and in any of the other 1,468 sources LeakCheck indexes.
What should I do if my data was in the 1Win breach?
Change the password you used on 1Win 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.