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Dennis Kirk Data Breach

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

Breach date: September 4, 20211,356,026 affected accounts in the record
01

What happened?

In October 2024, almost 20GB of data containing 1.3M unique email addresses from motorcycle supplies store Dennis Kirk was circulated. Dating back to September 2021, the data also contained purchases from the online store along with customer names, phone numbers and postcodes. Dennis Kirk did not respond to multiple attempts to make contact about the breach.

02

When did it happen?

The breach date in the public record is September 4, 2021. The record was added to the catalogue on November 5, 2024 and last updated there on November 6, 2024.

03

What information was reported as exposed?

  • Email addresses
  • Geographic locations
  • Names
  • Phone numbers
  • Purchases

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 Dennis Kirk or used denniskirk.com around September 4, 2021. 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.

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.

Monitor the accounts involved

Review the affected service and connected accounts for changes you did not make. Keep a copy of the breach notice and your actions.

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.