1win data breach: 96.2M accounts exposed
Severity: high · Patch status: no-fix-needed · Since 2025-02-03
In November 2024, the online betting platform 1win suffered a data breach that exposed 96M users. The exposed data included email and IP addresses, phone numbers, dates of birth, country and SHA-256 password hashes. Exposed data: dates of birth, email addresses, geographic locations, ip addresses, passwords, phone numbers. The breach dates from Nov 2, 2024; Have I Been Pwned loaded it on Feb 3, 2025.
What to do
- If you had a 1win account, change its password and the password of any other account that reused it.
- Turn on multi-factor authentication wherever it is offered.
- Check whether your addresses are in this breach at https://haveibeenpwned.com.
- Expect targeted phishing that quotes the leaked details; verify any unexpected contact out of band.
Sources
All live incidents on Threat Watch