South Texas Oncology and Hematology, PLLC Data Breach
Last Updated on April 27, 2026
At A Glance
- What's Going On?
- Attorneys need to hear from people affected by the South Texas Oncology and Hematology data breach as they investigate whether a class action lawsuit can be filed.
- Does This Cost Anything?
- It costs nothing to get in touch or to talk to someone about your rights.
- What Can I Get?
- If filed and successful, a class action lawsuit could provide consumers with money for any harm resulting from the breach.
Case Update
April 27, 2026 – $1.07M South Texas Oncology and Hematology Settlement Ends Data Breach Lawsuit
South Texas Oncology and Hematology has agreed to a $1,075,000 settlement to resolve a class action lawsuit over the data breach detailed on this page.
Learn more about the deal with ClassAction.org’s coverage of the South Texas Oncology and Hematology class action settlement.
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South Texas Oncology and Hematology Data Breach:
Lawsuit Investigation
Attorneys working with ClassAction.org are looking into whether a class action lawsuit can be filed in light of the South Texas Oncology and Hematology data breach.
As part of their investigation, they need to hear from individuals who received a notice stating they were impacted.
South Texas Oncology and Hematology, PLLC (STOH) experienced a significant data breach that resulted in unauthorized access to sensitive personal information of 176,303 individuals. The breach was detected on February 15, 2024, when STOH noticed unusual activity on its network. An investigation revealed that information belonging to patients and some employees was stored on the compromised systems.
According to a notice provided to the Texas attorney general's office, the information exposed in the South Texas Oncology and Hematology data breach may have included names, addresses, Social Security Numbers, medical and health insurance information, and dates of birth.
The San Antonio cancer treatment center is now notifying affected individuals after completing its investigation in June 2024.
If your information was exposed in the breach, attorneys want to hear from you. You may be able to start a class action lawsuit to recover compensation for loss of privacy, time spent dealing with the breach, out-of-pocket costs, and more.
A successful case could also force South Texas Oncology and Hematology to ensure it takes proper steps to protect the information it was entrusted with.
South Texas Oncology and Hematology Data Breach Notice
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