✅ Official notice on file. Landmark Admin, LLC filed this data breach notice with the California Attorney General on Apr 11, 2025. Compare it with the letter you received: the official copy is linked below.
Landmark Admin, LLC reported a data breach caused by unauthorized access to its computer network. The letter lists the exposed information individually for each recipient, so check your own copy.
Key facts
| Discovered | May 13, 2024 |
|---|---|
| Incident type | Network intrusion |
| Letter sent | Jan 24, 2025 |
| Reported to California AG | Apr 11, 2025 |
| Company helpline | 1-866-273-9228 |
Free credit monitoring
Landmark Admin, LLC is offering 12 months of IDX at no cost to people who received the letter. Enroll at response.idx.us/landmark using the activation code printed on your letter.
What to do now
- Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
- Call the Landmark Admin, LLC helpline at 1-866-273-9228 if you have questions about your letter.
Timeline
- May 13, 2024 — Landmark Admin, LLC discovers the incident
- Jan 24, 2025 — Notification letters sent
- Apr 11, 2025 — Breach reported to the California Attorney General
Previous breaches at Landmark Admin, LLC
- Oct 23, 2024 — Driver's license / state ID, Passport number, Medical information (notice)
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 Landmark Admin, LLC to the California Attorney General. BreachLetter is not affiliated with Landmark Admin, LLC. Details extracted from the official letter; always follow the instructions in your own copy.