✅ Official notice on file. Williams Accountancy Corporation filed this data breach notice with the California Attorney General on Mar 4, 2026. Compare it with the letter you received: the official copy is linked below.
Williams Accountancy Corporation reported a data breach. The information involved includes Social Security number, date of birth, financial account / bank info, home address.
Key facts
| Discovered | Dec 30, 2025 |
|---|---|
| Data exposed | Social Security number, Date of birth, Financial account / bank info, Home address |
| Reported to California AG | Mar 4, 2026 |
| Company helpline | 1-877-288-8057 |
Free credit monitoring
Williams Accountancy Corporation is offering 12 months of Experian IdentityWorks at no cost to people who received the letter. Enroll at www.experianidworks.com/3bcredit using the activation code printed on your letter.
What to do now
- Freeze your credit for free at Equifax, Experian and TransUnion, and request an IRS Identity Protection PIN at irs.gov to block fraudulent tax returns in your name.
- Your date of birth is often used to verify identity: add a fraud alert to your credit file so lenders must confirm it is really you.
- Call your bank, ask about extra monitoring or a new account number, and review statements for small unknown charges.
- Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
- Call the Williams Accountancy Corporation helpline at 1-877-288-8057 if you have questions about your letter.
Timeline
- Dec 30, 2025 — Williams Accountancy Corporation discovers the incident
- Mar 4, 2026 — Breach reported to the California Attorney General
Other recent data breaches
- Deposition Solutions, LLC data breach
- Mercadien, P.C. CPAs data breach
- Toyo Tire Holdings of Americas Inc. data breach
- STS Aviation Group data breach
- Alma Family Services data breach
Source: notification letter and filing submitted by Williams Accountancy Corporation to the California Attorney General. BreachLetter is not affiliated with Williams Accountancy Corporation. Details extracted from the official letter; always follow the instructions in your own copy.