In June 2023, a clone of the previously shuttered popular hacking forum "BreachForums" suffered a data breach that exposed over 4k records. The breach was due to an exposed backup of the MyBB database which included email and IP addresses, usernames and Argon2 password hashes.



Source: HaveIBeenpwned
Source Link: https://haveibeenpwned.com/PwnedWebsites#BreachForumsClone