Latest cybersecurity reporting from selected sources.

Attackers Attempted to Reroute Hospital Medicaid ReimbursementsA hack on a Connecticut Medicaid web portal involving compromised credentials of a healthcare provider has affected the payment account and other information for about 22,500 patients. The data theft is the latest breach involving a healthcare related web portal hack. Why does this keep happening?

Insurer's Hack Could Rank as Largest US Health Data Breach Reported in 2025Supplemental health insurer Aflac is notifying 22.65 million people whose sensitive health and personal information, including Social Security numbers, was potentially compromised in a June data theft incident. The incident will likely rank as the biggest U.S. health data breach reported in 2025.

Insurer's Hack Could Rank as Largest US Health Data Breach Reported in 2025Supplemental health insurer Aflac is notifying 22.65 million people whose sensitive health and personal information, including Social Security numbers, was potentially compromised in a June data theft incident. The incident will likely rank as the biggest U.S. health data breach reported in 2025.

Data Theft Incidents Are Among the Latest Hacks Against Specialty Medical ProvidersTwo specialty healthcare providers - a Florida-based firm that provides hospice services in several states and a Pennsylvania-based eye care practice - are notifying nearly 520,000 people that their sensitive health information was compromised in separate hacking incidents.

Oglethorpe Notifying 92,000 Patients of June Hack of Mental Health, Addiction InfoA Florida-based firm that operates in-patient mental health and addiction recovery treatment facilities in three states is notifying more than 92,000 patients that their personal and sensitive health information may have been compromised in a data theft hack discovered in June.

2023 Data Theft Affected Nearly 887,000 PatientsA radiology practice that has been serving patients in North Carolina for about 70 years agreed to pay more than $3.4 million to settle proposed class action litigation filed in the wake of a 2023 hacking incident that compromised the sensitive information of nearly 887,000 individuals.

Medusa Group Tied to Attack on SimonMed and Threats to Leak Stolen DataTwo radiology practices are notifying nearly 1.5 million people of separate hacking incidents compromising their sensitive health information. Cybercrime gang Medusa claimed credit for attacking Arizona-based SimonMed Imaging in January and threatened to leak the stolen data of nearly 1.3 million patients on the darkweb.

Medusa Group Tied to Attack on SimonMed and Threats to Leak Stolen DataTwo radiology practices are notifying nearly 1.5 million people of separate hacking incidents compromising their sensitive health information. Cybercrime gang Medusa claimed credit for attacking Arizona-based SimonMed Imaging in January and threatened to leak the stolen data of nearly 1.3 million patients on the darkweb.

Nonprofit Is Among Several Blood Suppliers Hit by Cybercriminals Over the Past YearNew York Blood Center Enterprises said an undisclosed number of patients, employees and other individuals are potentially affected by a January cyberattack that compromised personal and health related information. The hack was among several attacks on blood suppliers over the past year.

Threat Actors Accessed, Stole Data for About 2 Months; BianLian Claims CreditA health system in rural Michigan is notifying nearly 140,000 people that their information was potentially compromised in a data theft incident occurring between November 2024 and January 2025. Cybercriminal gang BianLian lists Aspire Rural Health System as a victim on its dark website.

Clinical Diagnostics Lab Hack Among Latest Recent Cyberattacks in the NetherlandsA Dutch population health research agency is notifying 485,000 participants of a cervical cancer screening program of a hacking incident at a clinical diagnostics laboratory that potentially compromised patients' personal and health information, including lab test results.

What Makes Timely and Accurate Breach Reporting So Difficult for Some Organizations?An Illinois-based brokerage firm that works with employers, businesses and consumers to obtain various types of insurance coverage is notifying nearly 156,000 people that their protected health information was compromised in a data theft hack that occurred more than a year ago. Why the delay?

Community Dental Care Is State's Largest Non-Profit Serving Medicaid PatientsMinnesota's largest nonprofit Medicaid dental practice is notifying nearly 135,000 people of a December 2024 data theft incident that potentially compromised their health and personal information, ranging from medical information to passport numbers.

Ransomware Group Embargo Claims to Have Published 1.15TB of Hospital's Stolen DataA rural Georgia hospital and its nursing home are among several other regional healthcare entities notifying tens of thousands of patients that their information was compromised in recent hacks. Ransomware gang Embargo claims to have published 1.15 terabytes of stolen data in one of those incidents.

Health Records of Children, Deceased Patients Among Compromised DataCommunity Health Center, which has a dozen primary care, dental and other clinics in Connecticut, is notifying nearly 1.1 million people - including pediatric patients and their parents and guardians - that their information was potentially stolen in a cyberattack detected earlier this month.

RansomHub Theft Hit Patients of 2 Dozen HCF Facilities and Home Healthcare UnitA chain of more than two dozen skilled nursing and rehabilitation facilities is notifying tens of thousands of patients whose information was compromised in a hacking incident last fall. Russian-speaking cybercriminal gang RansomHub claims to have published 250 gbytes of data stolen in the heist.

Missouri-Based Hospital Chain Initially Reported That Attack Affected Only 500Seven months after a ransomware disrupted its IT systems for weeks, Catholic hospital chain Ascension Health is now notifying nearly 5.6 million current and former patients and employees that the incident - which also involved data theft - potentially compromised their information.

Cybercriminal Gang Money Message Claims Credit, Publishes Stolen RecordsA Massachusetts hospital is notifying 316,000 people that their information was compromised in a cyberattack discovered nearly a year ago on Christmas 2023. Cybercriminal group Money Message had claimed that it stole 600 gigabytes data, posting patient and employee records on the dark web.

Data Leak Preceded Law Enforcement Crackdown on Group That Targets Health SectorA clinic in Hawaii is notifying 124,000 patients that their health data was potentially compromised in a May hack. Lockbit 3.0 claims to have published the stolen records on its data leak site in June - months before global authorities this week disclosed a crackdown on the cybercrime gang.

Cybercriminal Group Claims to Have Published 100 Gigabytes of Agency's Stolen DataTwo months after RansomHub claimed to have published 100GBs of its stolen data on the dark web, the Florida Department of Health is notifying citizens that their sensitive information has been compromised. The attack affected the vital statistics system used to issue birth and death certificates.