University of Mississippi Medical Center (“UMMC”) (MS, United States) notified the California Attorney General, the Texas Attorney General and the Vermont Attorney General of a data breach on 2 November 2026. It told the states about 2,778 Texas residents; the total can be higher.
People affected
2,778Texas residents · one state’s count, the total can be higher
Reported
2 November 2026Official notice and 2 more
Time to tell
264 daysfrom 11 February 2026 · the median is 147
Across the state notices
at least 2,795 people (Texas and Vermont: each state counts only its own residents)
Found to notice
13 days (found 20 October 2026, by the company’s letter)
What was exposed 9
Social Security numbers
Driver’s license numbers
Government ID numbers
Health insurance details
Health and medical information
Financial account and card details
Dates of birth
Names
Addresses
How it happened
How
Hacking unauthorized access to our computer networksource
On October 20, 2026, our investigation revealed that between February 11, 2026, and February 19, 2026, certain files containing your personal and/or protected health information may have been contained within the data that was subject to unauthorized access and/or acquisition.
Began
between February 11, 2026, and February 19, 2026, certain files containing your personal and/or protected health information may have been contained within the data that was subject to unauthorized access and/or acquisition
Offered
we are offering a complimentary month membership of identity monitoring through Kroll
Questions about the University of Mississippi Medical Center (“UMMC”) breach
Was University of Mississippi Medical Center (“UMMC”) hacked?
University of Mississippi Medical Center (“UMMC”) (MS, United States) notified the California Attorney General, the Texas Attorney General and the Vermont Attorney General of a data breach on 2 November 2026. It told the states about 2,778 Texas residents; the total can be higher. How it happened, by the sources: hacking.
What data was exposed in the University of Mississippi Medical Center (“UMMC”) breach?
Social Security numbers, Driver’s license numbers, Government ID numbers, Health insurance details, Health and medical information, Financial account and card details, Dates of birth, Names and Addresses, by the notices and reports on this page.
How do I know if I was affected?
Organisations normally tell the people whose data was involved, by letter or email, and that notice says what of yours was in it. The letter it filed is on this page. We cannot look up individual people. If you got a notice, check that it is real, then follow the steps on this page.
Is there a University of Mississippi Medical Center (“UMMC”) data breach settlement?
No settlement open for claims is on record for University of Mississippi Medical Center (“UMMC”) as of 15 November 2026. A settlement usually comes a year or more after a breach, if a court approves one. Every open settlement is listed with its deadline.
Is a letter, email or text about the University of Mississippi Medical Center (“UMMC”) breach real or a scam?
A real notice names the breach, says what data was involved and never asks for a password, a code or a payment. Criminals often send fake notices after a breach is in the news. Do not use links or phone numbers in the message: go to University of Mississippi Medical Center (“UMMC”)’s own site, or check the letter here.
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