Every public data breach

44 disclosed this week · 26,355 on record

Mac Forums

Disclosed Oct 29, 2018326,714 accountsUnverified

In July 2016, the self-proclaimed "Ultimate Source For Your Mac" website Mac Forums suffered a data breach. The vBulletin-based system exposed over 326k usernames, email and IP addresses, dates of birth and passwords stored as salted MD5 hashes. The data was later discovered being traded on a popular hacking forum. Mac Forums did not respond when contacted about the incident via their contact us form.

What is known

People affected326,714 (accounts in the leaked data, per Have I Been Pwned)
DisclosedOct 29, 2018
HappenedJul 3, 2016
AttackHacking
Data exposedDates of birthEmailsIP addressesPasswords
SectorTech
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

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