Operation Endgame 2.0 — 15.4M accounts
Severity: High · Kind: Data breach
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From the source
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 .
Breach facts
- Accounts affected
- 15,436,844
- Verified
- Yes
- Sensitive
- No
- Data exposed
- Email addressesPasswords
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