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Breach occurred 2025-05-23VerifiedWhat happened
In May 2025, a coalition of law enforcement agencies took down the criminal infrastructure behind the malware used to launch ransomware attacks in a new phase of "Operation Endgame". This followed the first Operation Endgame exercise a year earlier, with the latest action resulting in 15.3M victim email addresses being provided to HIBP by law enforcement. A further 43.8M victim passwords were also provided for HIBP's Pwned Passwords service.
Data exposed
Frequently asked questions
The Operation Endgame 2.0 data breach occurred on May 23, 2025. It was added to Have I Been Pwned's breach catalog on May 23, 2025.
15,436,844 accounts were affected by the Operation Endgame 2.0 data breach, according to Have I Been Pwned's records.
The Operation Endgame 2.0 breach exposed the following data types: Email addresses, Passwords.
Yes. Have I Been Pwned has verified the Operation Endgame 2.0 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 Operation Endgame 2.0 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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