Tami J. Dunham, CPA Data Breach Lawsuit Investigation
If you received a recent security-incident letter from Tami J. Dunham, CPA, your personal information may have been viewed or downloaded during a late-May 2025 cyberattack. Use the resources below to protect your identity and learn about your legal options.
Take action: Complete our free form to find out whether you can join a data-breach lawsuit or claim monetary relief.
Key Incident Details
- Breach window: May 24 – May 26, 2025
- Notice filed: November 26, 2025 (California Attorney General)
- Systems accessed: Firm’s computer network
- Data involved: Names (additional elements, if any, appear in individual letters)
- Free services: Credit monitoring & identity restoration through Epiq
Timeline of the Breach
Full legal name disclosure: Tami J. Dunham, CPA (Tami J. Dunham, CPA).
According to the firm’s investigation, an unauthorized actor infiltrated its network between May 24 and May 26, 2025. Cybersecurity specialists were brought in immediately to contain the incident and determine what files were accessed or downloaded. A manual, record-by-record review followed to confirm whose information was affected and locate valid mailing addresses. Notification letters were issued once that process concluded.
What Information Was Exposed?
The California filing states that names were present in the impacted files. Your letter may list additional data fields (for example, Social Security numbers or financial details) specific to your situation. Review it carefully to understand your risk level.
Company Response and Ongoing Safeguards
Tami J. Dunham, CPA reports that it:
- Immediately investigated the suspicious network activity with cybersecurity experts.
- Assessed existing policies and strengthened administrative and technical controls.
- Changed its external IT provider to help prevent future incidents.
- Is offering complimentary credit-monitoring and identity-restoration services through Epiq.
Steps You Can Take Now
- Enroll in the free credit-monitoring service using the instructions in your letter.
- Review bank, credit-card and other statements for unfamiliar transactions.
- Obtain a copy of your credit report and look for new accounts you did not open.
- Consider placing a fraud alert or security freeze with the major credit bureaus.
- Keep all breach-related correspondence; it may be required for any future claim.
Company Overview
Tami J. Dunham, CPA is an Oceanside, California accounting firm providing certified public accountant services.
- Website: tdunhamcpa.com
- Contact page: tdunhamcpa.com/#contact
- Headquarters: 900 Pier View Way, Oceanside, CA, USA
- Industry: Certified Public Accountant
- Year founded: 2019
Frequently Asked Questions
I received a data breach letter from Tami J. Dunham, CPA — what should I do?
Follow the enrollment steps for the free credit-monitoring service, check your financial accounts and credit reports regularly, and store the notice in a safe place for potential legal use.
How do I submit a claim related to the Tami J. Dunham, CPA data breach?
Fill out the form on this page to have an attorney evaluate your eligibility for compensation or additional identity-protection benefits.
What personal information did the Tami J. Dunham, CPA breach expose?
The California filing confirms that names were included. Your individual letter will specify any other impacted data.
Did Tami J. Dunham, CPA offer credit monitoring?
Yes. The firm is providing complimentary credit-monitoring and identity-restoration services via Epiq. The exact duration is noted in your notification letter.
How many people were affected?
The total number of impacted individuals has not been disclosed in public filings.
Where can I download the official breach notice?
You can access the California and Maine Attorney General filings using the buttons near the top of this article.