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Ashley Madison Data Breach

Understand what this public breach record reports and choose next steps based on the information involved.

Breach date: July 19, 201530,811,934 affected accounts in the record
01

What happened?

In July 2015, the infidelity website Ashley Madison suffered a serious data breach . The attackers threatened Ashley Madison with the full disclosure of the breach unless the service was shut down. One month later, the database was dumped including more than 30M unique email addresses. This breach has been classed as "sensitive" and is not publicly searchable, although individuals may discover if they've been impacted by registering for notifications . Read about this approach in detail .

02

When did it happen?

The breach date in the public record is July 19, 2015. The record was added to the catalogue on August 18, 2015 and last updated there on August 18, 2015.

03

What information was reported as exposed?

  • Dates of birth
  • Email addresses
  • Ethnicities
  • Genders
  • Names
  • Passwords
  • Payment histories
  • Phone numbers
  • Physical addresses
  • Security questions and answers
  • Sexual orientations
  • Usernames
  • Website activity

These are incident-level categories. The record does not prove that every category was exposed for every affected person.

04

Who may be affected?

This record may be relevant to people who had an account or other relationship with Ashley Madison or used ashleymadison.com around July 19, 2015. A catalogue entry does not establish that every customer was affected or that every listed data category applied to each person. Compare the record with an official notice addressed to you.

05

What should you do?

Verify whether the notice applies to you

Compare the organization, dates, and information categories with any notice you received. Use contact details you independently confirm.

Secure affected accounts

Change exposed or reused passwords, begin with your email account, and turn on multi-factor authentication where available.

Protect identity information

Review your credit reports and consider a free credit freeze if identity information could support new-account fraud.

Review financial accounts

Check statements for unfamiliar activity and contact the card issuer or financial institution through an independently verified channel.

Choose actions that match the information involved. If you find signs that someone is using your identity, the Federal Trade Commission provides a personal recovery plan at IdentityTheft.gov.

Sources and review information

Page reviewed September 14, 2026 by the Data Breach Help Editorial Team. Catalogue details reflect the provider record and may change.