Home / Data Breaches / Operation Endgame
Verified breach record

Operation Endgame Data Breach

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

Breach date: May 30, 202416,466,858 affected accounts in the record
01

What happened?

In May 2024, a coalition of international law enforcement agencies took down a series of botnets in a campaign they coined "Operation Endgame" . Data seized in the operation included impacted email addresses and passwords which were provided to HIBP to help victims learn of their exposure.

02

When did it happen?

The breach date in the public record is May 30, 2024. The record was added to the catalogue on May 30, 2024 and last updated there on May 23, 2025.

03

What information was reported as exposed?

  • Email addresses
  • Passwords

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 Operation Endgame around May 30, 2024. 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.

Expect targeted phishing

Treat unexpected breach follow-ups with caution. Do not use links or phone numbers in a suspicious message; contact the organization directly.

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.