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[Breach] BreachForums Version 5 — 339,778 accounts exposed

lowhibp_breachesPublished 2026-03-26

Breached service: BreachForums Version 5 Domain: breachforums.bf Accounts exposed: 339,778 Breach date: 2026-03-26 Added to HIBP: 2026-03-27T02:19:23Z Data classes leaked: Email addresses, Passwords, Usernames Description: In March 2026, a breach of one of the many iterations of the BreachForums hacking forum known as "Version 5" was publicly disclosed. The incident exposed 340k unique email addre

MITRE ATT&CK techniques

Email AddressesT1589.002

Indicators of compromise

breachforums.bfdomain

Original source: https://haveibeenpwned.com/PwnedWebsites#BreachForumsV5