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Breach occurred 2023-05-29VerifiedWhat happened
In May 2023, a credential stuffing list of 6.3M Polish email address and password pairs appeared on a local forum. Likely obtained by malware running on victims' machines, each record included an email address and plain text password alongside the website the credentials were used on. The data included 1.2M unique email addresses.
Data exposed
Frequently asked questions
The Polish Credentials data breach occurred on May 29, 2023. It was added to Have I Been Pwned's breach catalog on May 30, 2023.
1,204,870 accounts were affected by the Polish Credentials data breach, according to Have I Been Pwned's records.
The Polish Credentials breach exposed the following data types: Email addresses, Passwords.
Yes. Have I Been Pwned has verified the Polish Credentials breach, meaning there's confirmed evidence the exposed data is genuine and tied to real accounts.
Use KazaSec's free Email Breach Checker (/tools/breach-check) to check whether a specific email address has surfaced in the Polish Credentials breach, or any other known breach — the tool never stores what you search.
Our free Email Breach Checker tells you whether a specific email address has surfaced in this breach — or any other known breach — without ever storing what you search.
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