Trinity Health and the University of Pittsburgh Medical Center are notifying patients about potential unauthorized access to patient data by third parties via a Health Information Exchange (HIE).

Trinity Health, a not-for-profit Michigan-based Catholic health system that operates more than 92 hospitals in 22 states, has informed state attorneys general that some of its patients may have had their protected health information accessed without authorization. Trinity Health participates in automated electronic data exchanges with Health Information Exchanges (HIEs), which ensure that patient data can be easily accessed by other healthcare providers for treatment purposes, regardless of where the provider is located.

On January 13, 2026, Trinity Health was informed by its HIE partner that there had potentially been unauthorized access to the protected health information of certain Trinity Health patients. The incident involves an HIE member called Health Gorilla, which provides an interoperability platform and manages data access requests for client companies. Health Gorilla grants access to its network to companies that require access to patient data for treatment purposes. The HIE partner warned Trinity Health that Health Gorilla claimed that health information was required for treatment purposes; however, the HIE partner said it was unable to verify whether the statements made by Health Gorilla were accurate, and whether the recipient companies had authorizations for the information they obtained via the HIE.

Data potentially accessed without authorization included clinical care details, demographic information, insurance information, and potentially driver’s license numbers. Health Gorilla has suspended access to the HIE for the companies concerned. Trinity Health is providing the affected individuals with complimentary credit monitoring and identity theft protection services for 24 months. The number of affected individuals has not yet been disclosed.

University of Pittsburgh Medical Center (UPMC) patients have also been affected and are in the process of being notified about the potential unauthorized access. Data potentially accessed without a valid authorization included names, ages, diagnoses, and other information from patients’ medical histories. UPMC said it was informed about the potential unauthorized access by its electronic medical record vendor (Epic), and similarly, the unauthorized access occurred through an HIE via Health Gorilla. The incident has been reported to the HHS’ Office for Civil Rights, although it is not yet shown on the breach portal, so it is unclear how many patients have been affected.

Further healthcare providers are expected to issue similar notices in the coming days and weeks.

Legal Action Taken Over Alleged Unauthorized Access and Disclosures

Legal action is being taken over the alleged impermissible disclosures by Epic, OCHIN, and several healthcare providers who allege that Health Gorilla and others enabled “sham” companies to access their platforms to obtain patient data from national HIEs. While not stated in the breach notice, the information accessed by the sham companies may have been disclosed to third parties, such as law firms. One of the companies named as a defendant has admitted to making fraudulent claims that data was required for treatment purposes, when the data was disclosed to law firms. The lawsuit is proceeding against the other named defendants. Health Gorilla, a Qualified Health Information Network (QHIN), denies any wrongdoing, and so far, only one of the defendants has admitted wrongdoing.  You can read more about the lawsuit in this post.

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Data breaches have recently been announced by Delta Medical Systems in Wisconsin, Ansell Healthcare Products in New Jersey, and FuturHealth in California.

Delta Medical Systems, Wisconsin

Delta Medical Systems, a Wisconsin-based provider of medical imaging solutions and associated services, has notified state attorneys general about an email incident that occurred last summer. On July 15, 2025, Delta Medical Systems identified unusual activity within its email environment. Immediate action was taken to secure its email system and network, and a forensic investigation was launched to determine the cause, nature, and scope of the activity.

Assisted by third-party cybersecurity experts, Delta Medical Systems determined that an unauthorized third party had access to its email environment and may have viewed or acquired company data, including patient information, on July 15, 2025. The affected data was reviewed, and that process was completed in November 2025, when it was confirmed that personal and protected health information was involved. Data compromised in the incident included names, birth dates, Social Security numbers, driver’s license numbers/state identification numbers, bank account and routing numbers, health insurance information, and medical information.

On February 11, 2026, Delta Medical Systems finished identifying and notifying the affected individuals. Individuals whose Social Security numbers were exposed have been offered complimentary credit monitoring and identity theft protection services, and steps have been taken to improve security to prevent similar incidents in the future. At present, the data breach is not listed on the HHS’ Office for Civil Rights breach portal, so it is unclear how many individuals have been affected.

Ansell Healthcare Products, New Jersey

Ansell Healthcare Products, a New Jersey-based manufacturer of medical protective products, has notified state attorneys general about a data breach last summer that affected 2,061 individuals. Anomalous activity was identified within its computer systems on September 30, 2025, and the forensic investigation confirmed that an unknown actor had access to its computer systems between August 9, 2026, and September 30, 2026.

The review of the affected data confirmed that the personally identifiable information of employees was compromised in the incident, including names and Social Security numbers. No ransomware or hacking group appears to have claimed responsibility for the incident, and Ansell Healthcare Products said it is unaware of any of the impacted data being exposed online.  Notification letters were mailed to the affected individuals on March 10, 2026. Due to the nature of the exposed data, Ansell Healthcare Products has offered the affected individuals complimentary credit monitoring and identity theft protection services for 12 months.

FuturHealth

San Diego, CA-based FuturHealth, a health tech company that provides a telehealth-focused platform for weight loss programs, has recently notified the Vermont Attorney General about a security incident that occurred last summer. Unauthorized activity was identified within its computer systems on August 8, 2025. The forensic investigation determined that there had been unauthorized network access between August 8, 2025, and August 14, 2025, during which time files containing sensitive data were exfiltrated from its network.

The file review confirmed that the impacted data included names, health insurance information, and other sensitive data. FuturHealth has confirmed that the affected individuals have been offered complimentary credit monitoring and identity theft protection services for 12 months. In October 2025, individuals affected by an earlier data breach received notification letters. That breach occurred in October 2024 and involved unauthorized access to a data storage environment containing G-Plan data.

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Data breaches have recently been reported by Cedar Valley Services and Health Dimensions Group in Minnesota, and Community Nurse in Massachusetts.

Cedar Valley Services, Minnesota

Cedar Valley Services, a provider of vocational rehabilitation services to individuals in Southern Minnesota, has notified the HHS’ Office for Civil Rights about a data incident that involved the exposure of individuals’ protected health information. Little information about the incident has been publicly disclosed by Cedar Valley Services at this point, other than it being a hacking/IT incident affecting at least 501 individuals. The 501 total provided to the HHS’ Office for Civil Rights is a commonly used placeholder figure when the number of affected individuals has yet to be determined.

This appears to have been a ransomware attack by the Qilin ransomware group, which added Cedar Valley Services to its dark web data leak site in December 2025. Qilin claims to have exfiltrated sensitive data in the attack. The listing was added on December 21, 2025, and screenshots of data allegedly stolen in the attack have been uploaded to the data leak site as proof; however, as of March 17, 2026, the full dataset does not appear to have been leaked.

Community Nurse, Massachusetts

Community Nurse, a Fairhaven, MA-based home health agency, has confirmed that the personal and protected health information of 6,746 individuals has potentially been compromised in a security incident at its document management and billing services vendor, Doctor Alliance. Doctor Alliance experienced a network disruption on November 13, 2025. The forensic investigation determined that a threat actor may have viewed or acquired files without authorization between October 31, 2025, and November 17, 2025.

The analysis of those files was completed on March 2, 2026, and confirmed that they contained information such as names, addresses, dates of birth, Medicare numbers, start of care dates, certification period dates, medical record numbers, provider names and addresses, type of advance directives, diagnoses/current health statuses, medication lists, treatment orders, and goals of treatment. Doctor Alliance has implemented additional security measures to prevent similar incidents in the future, and notification letters have now been mailed to the affected individuals.

Health Dimensions Group, Minnesota

Health Dimensions Group, a Minneapolis, Minnesota-based provider of senior living and senior care management and consulting services, has reported a data breach to the Maine Attorney General that affected 450 individuals, including 1 Maine resident. Legal counsel for Health Dimensions Group explained in the notification letters that it first learned about a cybersecurity incident on October 20, 2025, and activated its incident response plan. Third-party cybersecurity experts were engaged to investigate the incident and assist with securing its environment, and they confirmed on November 6, 2025, that files were obtained in the incident.

The data review was completed on February 4, 2026, when it was confirmed that information relating to independent contractors was compromised in the incident, including names, addresses, and Social Security numbers. Notification letters were mailed to the affected individuals on March 11, 2026. While no data misuse has been identified, complimentary credit monitoring and identity theft protection services have been made available. The Worldleaks threat group claimed responsibility for the attack and leaked the stolen data, indicating the ransom was not paid. Since data has been leaked online, the affected individuals are advised to take advantage of the free credit monitoring services being offered.

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