Data breaches have recently been announced by Western Orthopaedics in Colorado, Community Health Systems in California, Tri-Cities Gastroenterology in Tennessee, and Integrated Pain Associates in Texas.

Western Orthopaedics

Western Orthopaedics, an Englewood, Colorado-based healthcare provider with locations throughout Colorado, has disclosed a security incident that was first identified on October 2, 2025. Assisted by third-party cybersecurity experts, Western Orthopaedics confirmed unauthorized access to its network between September 17, 2025, and September 25, 2025, during which time files containing personal and protected health information may have been viewed or acquired.

The analysis of those files was completed on March 3, 2026, when it was confirmed that the following data elements were potentially compromised: full name, address, phone number, Social Security number, date of birth, password, and/or financial account information, which may include credit/debit card number with or without security or access code, and protected health information such as health insurance information, health insurance plan or subscriber identification number, medical provider name, medical dates of service, and medical cost or billing information.

Additional measures have been taken to improve security, and the affected individuals have been offered complimentary credit monitoring and identity theft protection services. At present, it is unclear how many individuals have been affected. The PEAR cyber extortion group claimed responsibility for the attack and proceeded to leak the stolen data when the ransom was not paid.

Community Health Systems

Community Health Systems Inc., a California healthcare provider serving patients in San Bernardino, Riverside, and San Diego Counties, has recently disclosed a data security incident. According to its April 28, 2026, media notice, suspicious activity was identified within its computer network on or around February 28, 2026. Assisted by third-party security experts, Community Health Systems confirmed unauthorized access to parts of the network where patient data was stored.

The review of the exposed files confirmed that they contained information such as names, addresses, email addresses, phone numbers, dates of birth, Social Security numbers, financial account information, driver’s license/state ID numbers, treatment/diagnosis information, prescription information, dates of service, provider names, medical record numbers, patient ID numbers, Medicare/Medicaid ID numbers, health insurance information, and/or medical billing/claims information. Community Health Systems said it is reviewing its policies and procedures related to data protection. At present, it is unclear how many individuals have been affected.

Tri-Cities Gastroenterology

Tri-Cities Gastroenterology, a gastroenterology practice with five locations in Tennessee, has announced a data security incident that occurred on or around December 11, 2025. External cybersecurity professionals assisted with the investigation and confirmed that files were exfiltrated from its network on or around December 11, 2026. The file review confirmed on or around April 22, 2026, that the files contained information such as full names, Social Security numbers, dates of birth, addresses, email addresses, telephone numbers, gender, and medical record numbers.

Notification letters started to be mailed to the affected individuals on April 29, 2026. At that time, no misuse of the stolen data had been identified. Tri-Cities Gastroenterology said it will continue to evaluate and modify its cybersecurity practices and is taking steps to strengthen security. The Insomnia threat group claimed responsibility for the attack and added Tri-Cities Gastroenterology to its dark web data leak site in December. The group proceeded to leak the stolen data, indicating the ransom was not paid.

Integrated Pain Associates

On April 30, 2026, Integrated Pain Associates, a Killeen, Texas-based team of spine and pain specialists, announced a data security incident that was identified in February 2026. The forensic review confirmed unauthorized network access on or around February 24, 2026, and that patient data may have been accessed or acquired.

The review of the affected files is ongoing; however, Integrated Pain Associates has confirmed that the types of data involved include names, addresses, dates of birth, driver’s license numbers, Social Security numbers, diagnosis/condition information, medication information, health insurance information, provider names, other treatment information, and/or financial account information. Integrated Pain Associates has confirmed that it is offering complimentary credit monitoring and identity theft protection services to the affected individuals. Additional security measures have been implemented to reduce the risk of similar incidents in the future. At present, the breach is not shown on the website of the Office of the Texas Attorney General nor the HHS’ Office for Civil Rights breach portal.

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The health insurance company Starr Insurance has disclosed a ransomware attack and data breach. Data breaches have also been reported by the medical imaging company Green Imaging and the AI-based care coordination provider Lena Health.

Starr Insurance

Starr Insurance, a Chambersburg, Pennsylvania-based insurance agency, has recently confirmed that hackers accessed parts of its computer network and potentially obtained a range of sensitive data. Suspicious network activity was identified on November 18, 2025. Assisted by third-party cybersecurity experts, Starr Insurance determined that an unauthorized actor accessed and copied files from its network on November 28, 2025.

The review of the affected data confirmed that the hacker obtained information such as names, addresses, Social Security numbers, driver’s license numbers, financial account information, payment card information, medical information, health insurance information, and online account access information.  Regulators have been notified, and individual notification letters are being sent to the affected individuals. Starr Insurance has enhanced its policies and procedures relating to data protection and security.

At the time of issuing notifications, no attempted or actual misuse of patient data had been identified. Starr Insurance did not state if this was a ransomware attack; however, a ransomware group claimed responsibility for the breach. Akira, one of the most active ransomware groups, claimed to have stolen 15 gigabytes of data in the attack. Akira engages in double extortion, stealing data, encrypting files, and demanding a ransom be paid to obtain the decryption keys and prevent the publication of the stolen data. The stolen data was listed for download, indicating that the ransom was not paid. Based on the breach notice issued by Starr Insurance, complimentary credit monitoring and identity theft protection services do not appear to have been offered to the affected individuals. At the time of publication, the number of affected individuals has yet to be publicly disclosed.

Green Imaging

Green Imaging LLC, a full-service virtual medical imaging network with locations in all 50 U.S. states, has started notifying patients about a data security incident first identified on October 17, 2025. Suspicious activity was identified within its email environment, and the investigation confirmed unauthorized access to a single user’s email account between October 7, 2025, and October 17, 2025.

The review of the account has recently been completed, and the results have been validated. The types of information compromised in the incident vary from individual to individual and may include names in combination with one or more of the following: address, date of birth, Social Security number, driver’s license number, other government issued identification number, clinical/treatment information, diagnosis/condition, procedure type, physician information, medication, and other health and/or health insurance information.

Green Imaging has reviewed its policies and procedures related to data privacy and security and has taken steps to reduce the risk of similar incidents in the future. The incident is not yet shown on the HHS’ Office for Civil Rights breach portal, so it is currently unclear how many individuals have been affected.

Bloom Circle, Inc. – Lena Health

Bloom Circle, Inc., doing business as Lena Health, a Houston, TX-based provider of an AI-based care coordination platform, has recently notified the HHS’ Office for Civil Rights about a data security incident involving the electronic protected health information of up to 3,651 patients. The exposed data was stored in a public cloud storage container (Amazon S3 bucket). A hacker exploited a vulnerability in December 2025, allowing data to be exfiltrated. A patch was available to address the vulnerability; however, it had not been applied quickly enough to prevent exploitation.

Data compromised in the incident included names, dates of birth, phone numbers, medical record numbers, health information, and recordings of phone calls between patients and providers, in which patients discussed their health issues. A threat actor – FulcrumSec – who engages in data theft and extortion, claimed responsibility for the hack. According to databreaches.net, most of the stolen data related to patients of its client, Houston Methodist Hospital in Texas.

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Further information has come to light about the RXNT data breach, reported by the HIPAA Journal on May 6, 2026. As detailed below, hackers had access to RXNT’s systems for two days in March and stole patient data. While the extent of the data breach has yet to be publicly disclosed, the breach is now known to have involved Congress members’ prescription data.

RXNT’s medical software is used by the Office of the Attending Physician (OAP) to manage care for members of Congress. The software is used to securely transmit prescription information to pharmacies for fulfillment, and some of that information was stolen in the attack, including names, addresses, dates of birth, physician names, and prescription and pharmacy information. Attending physician Brian Monahan has notified the affected members of Congress this week about the exposure of their personal and health data. Congress members’ medical records, Social Security numbers, and financial information were not involved, as the only information entered into the RXNT software is what is required for prescription fulfillment. While the types of information involved have been disclosed, OAP has yet to publicly announce how many individuals have been affected.

Under the HIPAA Breach Notification Rule, business associates such as RXNT have to notify the affected HIPAA-covered entity clients of a breach of unsecured electronic protected health information within 60 days of discovery. Only then does the clock start ticking for issuing individual notifications and notifying the HHS’ Office for Civil Rights. The affected covered entities are ultimately responsible for issuing notifications, which must be issued within 60 days of learning about a breach from their business associate. Covered entities must ensure that those notifications are issued within 60 days of being informed, although they may delegate that responsibility to the business associate. It could therefore take up to two months before the full scale of the data breach is known.

May 6, 2026: RXNT Notifies Customers About Cybersecurity Incident and Data Breach

Networking Technology, Inc., doing business as RXNT, a healthcare software technology company that provides electronic health record software, has started sending notification letters to organizations that use its software to inform them about a recent security incident that exposed patient data. A copy of one of the notification letters was shared with The HIPAA Journal, which states that unauthorized activity was identified within an RXNT solution used by some of its customers. An investigation was immediately launched to determine the nature and scope of the unauthorized activity, with assistance provided by third-party cybersecurity experts.

RXNT has confirmed that an unauthorized actor accessed the solution between March 1, 2026, and March 3, 2026, and obtained a copy of the data stored within the system, which included patient data associated with its customers. The data was reviewed between March 3, 2026, and April 17, 2026, and RXNT can now confirm that patient names, dates of birth, and demographic information such as addresses, contact information, and patient IDs were stolen. Each customer was informed about how many patients were affected.

RXNT said it is taking steps to strengthen security to prevent similar incidents in the future and has offered to handle all breach reporting requirements on behalf of the affected clients (OCR notifications, media notices, individual notifications, and state attorneys general notifications). The affected clients have been given a rather short window to respond and sign up to receive further information about the cybersecurity incident. The notification letters are dated May 1, 2026, and providers are required to register by May 15, 2026. A website has been established specifically for that purpose – RXNTnotification[dot]com.

RXNT has only recently notified the affected organizations and offered to handle breach reporting requirements; therefore, the number of affected individuals has not yet been publicly disclosed. It is clear that multiple clients have been affected, and this has been a significant data breach.

This is a developing data breach story, and further information will be published on this page as it becomes available.

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A database created by the Centers for Medicare and Medicaid Services (CMS) has been exposed online, exposing providers’ Social Security numbers. The database can be downloaded, as it was by reporters at the Washington Post. The CMS created a new directory last year to help seniors find healthcare providers covered by insurance plans. The directory lists doctors and other healthcare providers who accept certain insurance plans, in an effort to improve transparency and access to care.

The database created by the CMS to power the provider directory has been found to be leaking some sensitive data. The data that populated the directory was found to contain the Social Security numbers of certain providers, which were linked to their names and other identifying information. The database was publicly accessible for several weeks, and while not immediately visible to individuals who visit the provider directory, it was possible to download the database.

The reporters searched the database and identified dozens of Social Security numbers by reviewing just a sample of rows. The CMS has notified and responded, saying it is working on a fix to resolve the issue that led to the data exposure. “[The problem] stems from incorrect entries of provider or provider-representative-supplied information in the wrong places,” explained the CMS. “The agency has taken steps to address it promptly and reinforce safeguards around data submission and validation”.

The explanation suggests that the exposed Social Security numbers are included in the database due to providers entering Social Security numbers into incorrect fields. The CMS did not confirm how many individuals have had their Social Security numbers exposed. Critics suggest that the rollout of the directory was rushed and that the project did not have sufficient oversight. Initially, when the directory was launched, providers were associated with incorrect health plans, with some pages confirming that a provider was covered by an insurance plan, while other pages said they were out of network.

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Data breaches have recently been announced by Green Imaging, Good Samaritan Health Center, Wonderland Child & Family Services, and L.A. Care Health Plan.

Good Samaritan Health Center

Good Samaritan Health Center in Atlanta, Georgia, has notified 10,000 individuals about a February 9, 2026, ransomware attack on one of its internal servers. The attack was identified on February 9, 2026, and the server was isolated to contain the attack. The server was restored from backups on the same day. Good Samaritan Health Center said it has found no evidence to suggest that there has been any misuse of data stored on the server, nor was evidence found of any public disclosure of patient data after the attack; however, Good Samaritan Health Center could not rule out the possibility that data had been accessed or stolen.

Data on the server was reviewed, and the files were found to contain names, dates of birth, zip codes, and limited clinical information. Social Security numbers and financial information were not compromised as they were not stored on the server. Good Samaritan Health Center said it has taken steps to strengthen security, including resetting all passwords, enhancing its monitoring systems to detect malware, and providing ongoing security and privacy training to its workforce. The affected individuals have been advised to review the statements they receive from their healthcare providers and insurers, and should report any services or charges for services that were not received.

Wonderland Child & Family Services

Wonderland Child & Family Services has notified 1,283 individuals about an insider data breach. On or around January 26, 2026, Wonderland Child & Family Services identified unusual activity relating to one of its former employees. An investigation was launched to determine the scope and nature of the activity, and legal counsel was retained to investigate further.

The investigation determined that the protected health information of certain individuals may have been viewed or copied by the employee in an unauthorized manner on May 31, 2023. A review was conducted, and the information impermissibly accessed included names, dates of birth, and medical information. Wonderland Child & Family Services said it is reviewing and enhancing its policies and procedures to reduce the likelihood of similar incidents in the future, and the affected individuals have been offered complimentary credit monitoring and identity theft protection services.

L.A. Care Health Plan

L.A. Care Health Plan has identified an error with a mailing that resulted in letters intended for one individual being sent to an incorrect health plan member on January 30, 2026. The error was due to a mistake that matched 2,885 member identification numbers with the wrong names when sending annual Health Risk Assessment (HRA) forms to L.A. Care Medi-Cal members. The information in the mailing was limited to member name, health plan name, and program name. No highly sensitive information was included in the mailing. L.A. Care Plan has updated its processes to prevent similar incidents in the future.

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The medical device manufacturing giant Medtronic has confirmed that hackers breached its network and exfiltrated data. The company announced the cyberattack on Friday, April 24, 2026, and said the attack was quickly contained and its incident response protocols were activated.

Medtronic manufactures a range of medical products, including pacemakers, defibrillators, heart valves, coronary stents, insulin pumps, continuous glucose monitoring systems, neurosurgery products and imaging systems, surgical robotics, ventilators, and gastrointestinal products. The company is the world’s largest medical device company by revenue, which was $33.5 billion in fiscal year 2025. The company operates in more than 150 countries, employs around 95,000 people worldwide, and serves around 79 million patients annually.

The hackers only accessed a limited portion of its network. Medtronic confirmed that the networks that support its corporate IT systems, products, manufacturing, and distribution operations are separate. Further, hospital customer networks are separate from Medtronic IT networks and are secured and managed by customers’ IT teams. A leading cybersecurity firm has been engaged to investigate the incident and support its investigation and remediation efforts. At present, there has been no identified impact on its products, patient safety, customer connections, manufacturing and distribution operations, or financial reporting systems, and the company is continuing to meet patient needs.

What is not currently known is whether personal or protected health information was accessed or stolen in the incident. If such information has been accessed or stolen, the affected individuals will be identified, and notifications will be issued, and support services will be made available. While mitigating the incident, Medtronic said it is simultaneously working on identifying additional ways that it can optimize system security to prevent similar incidents in the future.

Medtronic is a publicly traded company and is therefore required to notify the U.S. Securities and Exchange Commission (SEC) about material events that may affect shareholders. Its Form 8-K filing with the SEC, Medtronic states that the incident is not expected to have a material impact on its business or financial results. Prior to the announcement and SEC filing on April 18, 2026, the ShinyHunters data theft and extortion group claimed responsibility for the attack. The group claimed to have exfiltrated terabytes of Medtronic data, including personally identifiable information.

ShinyHunters claimed to have stolen more than 9 million records containing PII, although that claim has not been verified by Medtronic. ShinyHunters said it would publish the stolen data if the ransom was not paid by April 21, 2026. The amount of money demanded has not been made public. Medtronic has been removed from the ShinyHunters data leak site, which suggests that the ransom has been paid, although Medtronic has not confirmed whether that is the case.

“This incident highlights a recurring pattern where attackers prioritize corporate IT environments as an entry point, knowing they often contain high-value data but are less rigorously segmented than production or patient-facing systems. Even if Medtronic states there is no impact to products or patient safety, the theft of millions of records, if confirmed, still represents a significant risk, particularly for identity theft, targeted phishing, and supply chain exploitation. In healthcare, “no operational impact” does not mean “no risk”; sensitive data exposure can have long-term downstream consequences.” said, Ensar Seker, CISO at SOCRadar. “From a defender’s perspective, this reinforces the need to treat corporate IT systems with the same level of scrutiny as clinical or operational environments. Strong identity controls, strict network segmentation, and continuous monitoring of data exfiltration paths are critical. Additionally, organizations should assume that groups like ShinyHunters will attempt to monetize even partial or low-sensitivity datasets, so rapid validation, transparent communication, and proactive threat intelligence engagement are essential to reduce reputational and regulatory fallout.”

Medtronic is not the only medical device manufacturer to experience a data breach this year. In January 2026, Massachusetts-based UFP Technologies, a manufacturer of devices and components for wound care, implants, and orthopedic and surgical products, notified the SEC about a cyberattack and data breach. In March 2026, the California implantable orthopedic device manufacturer TriMed announced a cyberattack and data breach, and the medtech company Stryker experienced wiper attack.

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Florida Physician Specialists has started notifying patients affected by a November 2025 hacking incident. Mile Bluff Medical Center in Wisconsin has announced that it is working under downtime procedures as it recovers from an April 2026 ransomware attack.

Florida Physician Specialists

Florida Physician Specialists, a Jacksonville, FL-based multi-specialty private physician practice serving patients in Northeast Florida, started notifying patients on April 24, 2026, about a November 2025 hacking incident that exposed some of their personal and protected health information.

An investigation was launched into a security incident in late November, which confirmed that an unauthorized third party accessed its network between November 27, 2025, and November 29, 2025. The review of the exposed data was completed on April 6, 2026, when it was confirmed that a limited amount of patient data may have been exfiltrated from its network. Data potentially compromised in the incident included names in combination with one or more of the following: Social Security numbers, driver’s license numbers or state identification numbers, other government identification numbers, financial account information, credit or debit card information, medical information, and/or health insurance policy information.

While data may have been stolen, Florida Physician Specialists is unaware of any actual or attempted misuse of the data; however, out of an abundance of caution, the affected individuals have been offered complimentary credit monitoring services. The data breach was reported to the Maine Attorney General as affecting 47 Maine Residents, but it is currently unclear how many individuals have been affected in total. There is currently no listing on the HHS Office for Civil Rights website.

Mile Bluff Medical Center

Mile Bluff Medical Center in Mauston, Wisconsin, is dealing with a cyberattack that resulted in the encryption of files on its network.  Security protocols were immediately implemented when the attack was discovered, and an investigation has been launched with assistance provided by third-party partners.

The medical center has confirmed that the cyberattack caused limited and temporary interruptions to certain computer systems, and its phone system has also been impacted. Clinical teams have been working under downtime procedures while the attack is mitigated, and systems can be safely restored. The priority has been to ensure that care continues to be provided to patients. The medical center is working to fully resolve the issues as soon as possible. At this stage of the recovery process, it is too early to tell to what extent, if any, patient data has been affected. No threat group appears to have claimed responsibility for the attack at the time of writing.

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