1win
HIGH RISKData breach — November 2024
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.
search Check if you were affected — freeData exposed in this breach
What happened in the 1win data breach?
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.
The exposed data included 6 types of personal information. Because passwords were exposed, users who reused their password on other sites are at particular risk. Learn more about what a data breach means for you.
Quick answer — was 1win hacked?
Yes. 1win was breached in November 2024. The breach exposed 96,166,543 records including dates of birth, email addresses, geographic locations. This breach has been independently verified. If your email was involved, your data may still be at risk today. Check if you were affected.
Why was the 1win breach so dangerous?
The 1win breach exposed 96,166,543 records — that is 96.2M people whose personal data is now circulating on the dark web. The combination of dates of birth, email addresses, geographic locations makes this a high-risk breach that requires immediate action.
Because passwords were exposed, attackers can use credential stuffing to automatically test your 1win password against hundreds of other websites. If you reused your password anywhere, those accounts are now at risk. Read more about what happens to your data after a breach.
Don't wait to find out — check if your email was exposed in this breach now.
What data was stolen in the 1win breach?
Dates of birth — used to verify identity for account takeover and fraud
Email addresses — used for phishing attacks and credential stuffing against your other accounts
Geographic locations — may be combined with other breach data to build a profile for targeted attacks
IP addresses — combined with other data, used for identity theft and physical fraud
Passwords — can be used to access your accounts directly or cracked to reveal your actual password
Phone numbers — enables SIM swapping attacks and targeted SMS phishing scams
Is the 1win breach still dangerous in 2026?
Yes. Stolen data from the 1win breach remains dangerous years after the incident. Research shows that over 65% of stolen credentials from older breaches have never been changed by the account holders. Attackers routinely compile data from multiple breaches to build complete profiles, and credentials from 2024 are still actively used in credential stuffing attacks today.
Personal information like email addresses, phone numbers, and dates of birth never expire. Even if you changed your 1win password, the other exposed data can be combined with information from other breaches to target you. Learn more about how long stolen data stays dangerous.
Frequently asked about the 1win breach
Approximately 96,166,543 user records were exposed in the 1win breach in November 2024.
Yes. Leaked credentials are actively used in credential stuffing attacks years after a breach. If you reused your 1win password elsewhere and haven't changed it, those accounts remain at risk today.
Enter your email in the free checker on EmailLeaked. We scan 12 billion+ breach records including the full 1win dataset and tell you instantly whether your email was exposed and what data was taken.
Change your 1win password immediately, change any other account where you used the same password, enable two-factor authentication on all important accounts, and monitor for phishing emails over the next 90 days.
Who was affected by the 1win breach?
The 1win data breach affected approximately 96,166,543 users who had accounts with the service. With 96.2M records exposed, this is one of the larger breaches tracked in our database of 970+ known breaches.
If you ever created an account with 1win or used their services, your data may have been included in this breach. Check your email now to find out. You can also read our guide on what to do immediately after a data breach.
If your email was in the 1win breach
Change your 1win password immediately
Go to 1win and change your password right now. Use a strong, unique password that you have never used anywhere else.
Change any account sharing that password
If you used the same password on other sites, change it on every one of them. Attackers test stolen credentials on hundreds of popular sites within hours.
Enable two-factor authentication
Turn on 2FA on 1win and every important account. Even if your password is known, attackers cannot get in without the second factor.
Check your other accounts for this breach
Run a full email check to see every breach your email appears in — not just this one.
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