BreachForums - 212,156 breached accounts

In November 2022, the well-known hacking forum "BreachForums" was itself, breached. Later the following year, the operator of the website was arrested and the site seized by law enforcement agencies. The breach exposed 212k records including usernames, IP and email addresses, private messages between site members and passwords stored as argon2 hashes. The data was provided to HIBP by a source who requested it be attributed to "breached_db_person".
http://dlvr.it/SsntxF