✅ Official notice on file. University of Mississippi Medical Center filed this data breach notice with the California Attorney General on Nov 2, 2026. Compare it with the letter you received: the official copy is linked below.
University of Mississippi Medical Center reported a data breach caused by unauthorized access to its computer network. The information involved includes medical information.
Key facts
| Unauthorized access | Feb 11, 2026 – Feb 19, 2026 |
|---|---|
| Discovered | Feb 19, 2026 |
| Incident type | Network intrusion |
| Data exposed | Medical information |
| Reported to California AG | Nov 2, 2026 |
| Company helpline | 1-888-743-0023 |
Free credit monitoring
University of Mississippi Medical Center is offering 12 months of Kroll at no cost to people who received the letter.
What to do now
- Review the Explanation of Benefits statements from your insurer for services you never received.
- Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
- Call the University of Mississippi Medical Center helpline at 1-888-743-0023 if you have questions about your letter.
Timeline
- Feb 11, 2026 — Unauthorized access begins
- Feb 19, 2026 — University of Mississippi Medical Center discovers the incident
- Nov 2, 2026 — Breach reported to the California Attorney General
Other recent data breaches
- RevSpring, Inc. data breach
- Hoag Memorial Hospital Presbyterian data breach
- El Camino Health data breach
- EyeMed Vision Care, LLC data breach
- Central Ohio Primary Care Physicians, Inc. data breach
Source: notification letter and filing submitted by University of Mississippi Medical Center to the California Attorney General. BreachLetter is not affiliated with University of Mississippi Medical Center. Details extracted from the official letter; always follow the instructions in your own copy.