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HoundDawgs Data Breach

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

Breach date: December 30, 201745,701 affected accounts in the record
01

What happened?

In December 2017, the Danish torrent tracker known as HoundDawgs suffered a data breach . More than 55GB of data was dumped publicly and whilst there was initially contention as to the severity of the incident , the data did indeed contain more than 45k unique email addresses complete extensive logs of torrenting activity, IP addresses and SHA1 passwords.

02

When did it happen?

The breach date in the public record is December 30, 2017. The record was added to the catalogue on January 3, 2018 and last updated there on January 3, 2018.

03

What information was reported as exposed?

  • Email addresses
  • IP addresses
  • Passwords
  • 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 HoundDawgs or used hounddawgs.org around December 30, 2017. 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.