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BreachForums Version 5, a hacking forum, suffered a breach in March 2026 exposing approximately 340,000 user accounts with email addresses, usernames, and password hashes.
According to HIBP, BreachForums Version 5 was breached on March 26, 2026, and the incident was publicly disclosed on March 27, 2026. The breach affected one iteration of the BreachForums hacking forum.
The breach exposed approximately 340,000 unique email addresses, usernames, and argon2 password hashes.
Approximately 339,778 user accounts registered on BreachForums Version 5 were affected by the breach.
Users with accounts on BreachForums Version 5 should assume their credentials have been compromised. Those who reused passwords across other services should change them immediately on any other platforms where the same password was used.