Adult FriendFinder

Disclosed May 22, 20153,867,997 accountsUnverified

In May 2015, the adult hookup site Adult FriendFinder was hacked and nearly 4 million records dumped publicly. The data dump included extremely sensitive personal information about individuals and their relationship statuses and sexual preferences combined with personally identifiable information.

What is known

People affected	3,867,997 (accounts in the leaked data, per Have I Been Pwned)
Disclosed	May 22, 2015
Happened	May 21, 2015
Attack	Hacking
Data exposed	Dates of birthEmailsLocationIP addresses
Sector	Tech
Status	Unverified: not yet confirmed by an official notice, a filing or the organization
Check your email	Have I Been Pwned

Sources

Aggregatorhaveibeenpwned.com

Have I Been Pwned: Adult FriendFinder (2015)

Notices filed

Accounts in the dataMay 22, 2015

Have I Been Pwned3,867,997 people

Other breaches at Adult FriendFinder

Friend Finder Networks breach exposes more than 412 million accountsHacking exposed emails, passwords, dates of birth, names and IP addresses.Hacking170M accountsTechUSUnverifiedNov 13, 2016

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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