In July 2016, a data breach of the now defunct database forum "dBforums" appeared for sale alongside several others hacked from the parent company, Penton. The breach of the vBulletin based forum contained 363k unique email addresses alongside usernames, IP addresses, dates of birth and salted MD5 password hashes.



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