University of Mississippi Medical Center (UMMC)
February 20, 2026
•[ ransomware, operational disruption, healthcare ]
UMMC reported a ransomware attack triggered its emergency operations plan and forced it to cancel all clinic appointments and elective procedures at locations statewide while it assessed the intrusion and worked to restore systems. Public reporting described broad impacts to phone and electronic systems and significant disruption to patient care workflows, with staff reverting to manual processes. UMMC stated it was working with federal authorities (including the FBI) and external experts to investigate scope and recover operations; reporting at the time did not confirm whether patient data was exfiltrated, but the primary confirmed effect was major operational disruption across the health system.
Nippon Medical School Musashi Kosugi Hospital (日本医科大å¦æ¦è”µå°æ‰ç—…院)
February 6, 2026
•[ ransomware, data breach, healthcare ]
Japans Nippon Medical School Musashi Kosugi Hospital disclosed it suffered a ransomware attack after nurse-call terminals malfunctioned and investigation found its nurse-call system servers were attacked. The hospital stated patient personal information stored on the nurse-call system servers was stolen and that the intrusion path was tied to a maintenance VPN device. Public reporting in Japan said attackers demanded a large ransom (reported internationally as about $100 million). The hospital stated it would not comply with the ransom demand and reported that clinical services continued while investigation and recovery actions proceeded.
Farmácia Moniz Silva
September 2, 2025
•[ ransomware, data leak, healthcare ]
Ransomware group Qilin claimed responsibility for a September 2025 attack on Farmcia Moniz Silva, a pharmacy located in Luanda, Angola. The group listed the victim on its data-leak site, consistent with broader Qilin activity against healthcare organizations. No confirmation from the victim or Angolan CERT was available.
Ungava Tulattavik Health Centre (UTHC)
January 11, 2025
•[ cyberattack, data leak, healthcare ]
Ungava Tulattavik Health Center in Kuujjuaq (Nunavik, Quebec) disclosed it was the victim of a cyberattack in November 2025. The centre said the attack was blocked upon detection, but warned that files containing clinical and administrative information related to some people who use the health centre and some employees may have been stolen. The centre established a crisis unit, deployed enhanced surveillance/security tools, and worked with the Sret du Qubec, the Nunavik Regional Board of Health and Social Services, and Sant Qubecs Cyber Defence Operational Centre during the investigation. Officials advised users and employees to monitor bank accounts and watch for suspicious emails or calls while the incident response and review continued.
Health Service Executive (HSE) – primary care services, Midlands (third-party processor)
January 2, 2025
•[ ransomware, third-party processor, data protection breach ]
DataBreaches summarized reporting that the Irish Health Service Executive confirmed a second ransomware attack occurred in February 2025, targeting a third-party processor and resulting in a data protection breach reported by HSE primary care services in the Midlands. The HSE stated there was no evidence that patients data was stolen in the incident, and the brief report did not describe prolonged operational disruption or specify what systems were encrypted. Based on the confirmation of a ransomware incident affecting a processor, this is coded as a disruptive event with limited publicly available detail on scope and duration.
Saint Mary’s Home of Erie
August 26, 2025
•[ unauthorized access, PII, PHI ]
A forensic investigation found that an unauthorized party accessed the Saint Marys Home of Erie network between August 26 and 28, 2025. Files and folders containing resident PII and PHI may have been exposed. The incident was reported to HHS OCR for at least 501 individuals while review continues.
Hue Central Hospital – On-Demand and International Treatment Center
January 15, 2025
•[ ransomware, encryption, healthcare ]
In January 2025 the hospital information system of Hue Central Hospitals On-Demand and International Treatment Center was compromised, with around 500 GB of data encrypted and a ransom demanded for decryption; no public evidence of data exfiltration has been reported.
Szpital MSWiA (Ministry of Interior Hospital) Kraków
March 8, 2025
•[ ransomware, cyberattack, healthcare ]
Cyberattack on the Ministry of Interior hospital in Krakw encrypted administrative and medical IT systems, fully paralyzing patient care and access to records. Hospital departments began restoring systems by March 11, indicating ~3 days of disruption. No data exfiltration or perpetrator identified.
Alder Hey Children’s Hospital
November 28, 2024
•[ ransomware, data leak, healthcare ]
Alder Hey Childrens Hospital says it is investigating claims that its systems may have been breached and that patient records and other information was stolen, after the ransomware group INC Ransom adds Alder Hey to its leak site.
Kuwait’s Health Ministry
September 25, 2024
•[ cyberattack, healthcare, system outage ]
The Kuwaits Health Ministry is recovering from a cyberattack that took down systems at several of the countrys hospitals, as well as the countrys Sahel healthcare app.
Coradix-Magnescan
May 7, 2024
•[ cyberattack, healthcare, medical imaging ]
Coradix-Magnescan, a French company that provides medical radiological imaging, warns patients it is currently dealing with a cyberattack that risks complicating their appointments.
Hospital Español Auxilio Mutuo (Hospital Auxilio Mutuo)
September 24, 2023
•[ network incident, healthcare, patient data breach ]
Hospital Espaol Auxilio Mutuo (Hospital Auxilio Mutuo) in Puerto Rico notifies of a network incident affecting 500 patients.
South Africa’s National Health Laboratory Service
June 25, 2024
•[ ransomware, healthcare, cyberattack ]
South Africas National Health Laboratory Service (NHLS) confirms to be dealing with a ransomware attack.
Armentières Hospital Center
February 10, 2024
•[ ransomware, healthcare, cyberattack ]
The Armentires Hospital Center is the victim of a ransomware attack.
Lurie Children’s Hospital
January 31, 2024
•[ ransomware, network outage, healthcare ]
Lurie Childrens Hospital suffers a network outage, later confirmed to be a ransomware attack by the Rhysida group demanding a $3.4M ransom.
Hospital Joaqui�n Paz Borrero
February 23, 2023
•[ ransomware, healthcare, cyberattack ]
The Hospital Joaqu''n Paz Borrero is hit with a ransomware attack.
Undisclosed Taiwanese healthcare organization #5
January 12, 2026
•[ ransomware, cyber intrusion, data exfiltration ]
The CrazyHunter ransomware group conducted a cyber intrusion against a healthcare organization in Taiwan by exploiting application-layer access, resulting in unauthorized access and data exfiltration. Security reporting confirms the victim as one of multiple Taiwanese healthcare entities affected, though specific organizational details were not publicly disclosed.
Advanced Family Surgery Center (AFSC)
November 26, 2025
•[ data leak, healthcare, protected health information ]
Threat actors identifying as Genesis claimed they compromised Advanced Family Surgery Center (AFSC) in Oak Ridge, Tennessee, and later added the organization to their leak site, asserting that about 100 GB of data had been exfiltrated from company file servers. The reported dataset included healthcare data, personal data, financial data, user folders, and operational files. The reporting outlet reviewed sample files and indicated they contained protected health information such as patient names, dates of birth, full Social Security numbers, dates of service, physician details, and insurance information. At the time of reporting, no official public notification by the provider had been located.
Jupiter Medical Center (via third party health records vendor)
January 1, 2025
•[ data breach, healthcare, third party risk ]
Jupiter Medical Center issued a warning/notice describing a data breach tied to a data security incident dating back to January 2025. The report indicates the healthcare organization investigated the incident and proceeded with notification and remediation steps in 2026. Because the accessible source context here does not provide a clear affected-individual count or a detailed breakdown of data elements, the customer-data fields are coded as undetermined.
