verifiedmalware2025-05-23

Operation Endgame 2.0Operation Endgame 2.0 breach

15,436,844 records compromised

Records
15.44M
Breach date
2025-05-23
Data classes
2

Description

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 .

Compromised data classes· 2

Email addressesPasswords

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

Breach
Operation Endgame
Breach
Operation Endgame 3.0
Breach
Stealer Logs, Jan 2025
Breach
BreachForums (2025)
Breach
BreachForums Version 5
Breach
Data Troll Stealer Logs
Sourced from Have I Been Pwned. Aggregate metadata only — no PII. Curated by Adam Lundqvist, Founder at SQUR.