In May 2023, 478k user records from the now defunct hacking forum known as "RaidForums" was posted to another hacking forum. The data dated back to September 2020 and included email addresses, usernames, dates of birth, IP addresses and passwords stored as Argon2 hashes. The data was provided to HIBP by a source who requested it be attributed to "[email protected]".
Source: HaveIBeenpwned
Source Link: https://haveibeenpwned.com/PwnedWebsites#RaidForums