Latest cybersecurity reporting from selected sources.

Similar Cyber Incident Depicted in Fictional Hospital From HBO's 'The Pitt'All three dozen of the University of Mississippi Medical Center's healthcare clinics throughout the state remain closed and elective procedures are also still cancelled as Mississippi's only academic health science center continues to respond to a ransomware attack nearly a week later.

Cybercrime Group First Listed Ohio Health System as a Data Theft Victim Last JuneOhio-based Kettering Health is notifying current and former patients and "affiliates" that their personal, health and financial information was potentially compromised in a May 2025 ransomware attack and data theft incident claimed by cybercriminal gang Interlock.

Ransomware Gang Money Message Claimed It Exfiltrated 4.7TB of Firm's DataPharmacy services firm PharMerica will pay at least $5.27 million - plus millions more on enhancing its security - as part of a preliminary class action settlement approved this week by a federal court involving a 2023 data theft incident the company reported as affecting 5.8 million individuals.

University of Hawaii Cancer Center Paid RansomCancer patients who participated in University of Hawaii Cancer Center studies during the 1990s may soon receive a notification that ransomware hackers stole their data in an August 2025 incident. Experts said the hack spotlights concerning risks involving compromises of medical research data.

Ransomware Gang Qilin Had Claimed It Stole 852 GB of Health System's DataNearly half a million patients of a Catholic healthcare network that serves New England and parts of Pennsylvania began the new year by receiving notifications that hackers may have stolen their health information in a May 2025 hacking incident.

Ransomware Gang Rhysida Leaks 3.7TB of Data Stolen From Maryland Hospital SystemMaryland-based MedStar Health, which operates 10 hospitals, is notifying patients about a data theft incident affecting their personal information. Ransomware group Rhysida claims on its darkweb leak site to have 3.7 terabytes of MedStar's data, including "over 7 million pieces of patient data."

Class Members Can Claim Up to $5K Each for Documented Losses Tied to BreachA small, rural county-owned Georgia community hospital has agreed to settle consolidated class action litigation involving a 2024 hacking incident in which ransomware gang Embargo claimed to have stolen 1.15 terabytes of the organization's data and leaked it on the darkweb.

Central Jersey Medical Center Runs Health Centers for Schools in NewarkCentral Jersey Medical Center, a federally qualified health center that partners with public schools in Newark, New Jersey, is notifying an undisclosed number of people of a data breach related to an August ransomware attack. The incident is latest to hit a resourced-stretched healthcare provider.

Bayhealth Medical Center Was Among Cybercrime Group's Many 2024 Healthcare VictimsBayhealth Medical Center in Delaware - an alleged victim of a 2024 hack by the "notorious" and prolific ransomware gang Rhysida that resulted in a breach affecting nearly a half-million people - has agreed to a preliminary settlement in a proposed class action lawsuit stemming from the incident.

Horizon Healthcare RCM Hints at Paying Ransom in Data Theft IncidentHorizon Healthcare RCM is the latest revenue cycle management software vendor to report a health data breach involving ransomware and data theft. The firm's breach notification statement suggests that the company paid a ransom to prevent the disclosure of its stolen information.

Michigan-Based Group Breached in Ransomware Attack for Second Time in Two YearsMcLaren Health has begun notifying more than 743,000 people affected by a ransomware attack last summer. The incident, carried out by cybercriminal gang Inc Ransom, is McLaren's second major health data breach from a ransomware attack in two years.

While healthcare organizations often know in general what they need to do in case they're faced with a ransomware attack, the devil is in the details of how comprehensive and well-rehearsed that incident preparedness plan is for optimal response, said Rick Doten, vice president and healthplan CISO at Centene Corp.

While healthcare organizations often know in general what they need to do in case they're faced with a ransomware attack, the devil is in the details of how comprehensive and well-rehearsed that incident preparedness plan is for optimal response, said Rick Doten, vice president and healthplan CISO at Centene Corp.

Did Marlboro-Chesterfield Pathology Pay Cybercrime Gang Safepay a Ransom?A North Carolina pathology practice is notifying nearly 236,000 patients of a hacking incident discovered in January. Marlboro-Chesterfield Pathology says it "took steps" to ensure the hackers deleted its stolen data. Newcomer ransomware group Safepay is apparently the culprit in the attack.

Highline Public Schools revealed that sensitive personal, financial and medical data was accessed by ransomware attackers during the September 2024 incident

Lawsuits Allege Cybercrime Gang Medusa Stole Data of 132,000 PeopleAn Arizona-based medical imaging practice with locations in 11 states is notifying patients that their data was compromised in a January cyberattack. Litigation filed against the company allege ransomware gang Medusa stole sensitive data pertaining to at least 132,000 people in the incident.

2.3 TB held to ransom as biz formerly known as Virgin Care tells us it's probing IT 'security incident' Exclusive HCRG Care Group, a private health and social services provider, has seemingly fallen victim to the Medusa ransomware gang, which is threatening to leak what's claimed to be stolen internal records unless a substantial ransom is paid.…

Attack on Blood Center Spotlights Ongoing Supply Chain Risk in Healthcare SectorSix months after a ransomware attack temporarily crippled its blood donation and distribution activities, Florida-based nonprofit OneBlood is reporting a data breach to regulators that affected donors' personal information. Why is the incident reawakening healthcare supply chain concerns?

Data Theft Incident Also Disrupted IT Systems for Nearly a MonthRichmond University Medical Center, a 440-bed teaching hospital on Staten Island, N.Y, is notifying 674,000 people of a data theft that happened 18 months ago. The breach was part of a ransomware attack that disrupted the organization's IT systems for several weeks in spring 2023.

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.