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?

Incidents Are Unrelated, Says NYC Health + HospitalsHackers had access to New York City's municipal healthcare system for nearly three months before being detected, stealing data of an undisclosed number of patients. The incident is the second hacking-related data breach within weeks involving a third-party firm hired by NYC Health + Hospitals.

Attack Spotlights Threats, Risks Facing Healthcare Supply ChainUFP Technologies, a Massachusetts-based maker of single-use medical devices and other healthcare supplies, has notified the U.S. Securities and Exchange Commission of a cyber incident discovered on Valentine's Day that involved the theft or destruction of company data.

Meanwhile, IP-stealing 'distillation attacks' on the rise A Chinese government hacking group that has been sanctioned for targeting America's critical infrastructure used Google's AI chatbot, Gemini, to auto-analyze vulnerabilities and plan cyberattacks against US organizations, the company says.…

Reported Victim Tally in HCIactive's Health Data Theft Incident SoarsThe victim count in a 2025 hack against a Maryland-based firm that provides "AI-powered" administrative and technology services to healthcare practices soared to nearly 3.1 million nationwide, according to an updated breach report from Healthcare Interactive.

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.

National Accident Health Says Breach Exposed Medical Info of 181,000 PeopleA Maine-based third-party administrator that handles healthcare claims involving day care centers, youth sports and NCAA athlete accidents is notifying more than 181,000 individuals that their medical information and personal identifiers may have been accessed or stolen in a hacking incident.

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.

Multimillion Dollar Deal Resolves 27 Lawsuits After 2023 Email Storage HackA Tennessee federal court has approved a multimillion dollar settlement in consolidated class action litigation against HCA Healthcare in the wake of a 2023 email data theft hack that the publicly traded company reported as affecting nearly 11.3 million individuals.

Cyber Extortion Campaign Automated Efforts to 'Unprecedented' Degree, Says AI GiantArtificial intelligence giant Anthropic said it's disrupted a cybercrime operation that tapped its large language models, including Claude Code, to an "unprecedented" extent to help automate a data theft and extortion campaign that targeted more than a dozen critical infrastructure organizations.

Crime Gang 'Underground' Claimed Data Theft From Healthcare Services GroupA publicly traded Pennsylvania-based firm that provides dining, housekeeping and laundry services to long-term care and skilled nursing facilities is notifying nearly 624,500 people of a 2024 hacking incident that took nearly nine months for the company to investigate.

Settlement Is Latest Among Scores of Other MOVEit Lawsuits Still PendingNuance Communications, a Microsoft subsidiary, has agreed to pay $8.5 million to settle class action litigation filed after hackers exploited a zero-day flaw in Progress Software's MOVEit file transfer software in 2023, stealing data belonging to more than a dozen of Nuance's healthcare clients.

Financially Strapped Cloud Services Firm Settles Suit From 2020 Patient Data HackA financially strapped cloud services vendor that experienced a 2020 ransomware attack affecting dozens of healthcare sector clients and hundreds of thousands of patients has agreed to a $1.9 million settlement in proposed class action litigation involving the data theft case.

Microsoft Researchers Link Turkish Spy Group to Output Messenger Zero-Day HackA Turkish-linked cyberespionage group known as Marbled Dust exploited a zero-day in the Output Messenger Server Manager application to spy on Kurdish military operations in Iraq. Microsoft reported the hack and called for immediate mitigation to block credential theft and malware delivery.

​Ascension, one of the largest private healthcare systems in the United States, is notifying patients that their personal and health information was stolen in a December 2024 data theft attack, which affected a former business partner. [...]

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.

7 Proposed Class Actions Filed Against Allegheny Health Network and IntraSystemsA Pittsburgh-based healthcare system and its Massachusetts-based IT services firm are facing at least seven proposed federal class action lawsuits involving a data theft - reported on Jan. 17 - affecting about 293,000 people. The hack is the latest major breach involving a business associate.

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.

Secret Blizzard Used Third-party Amadey Bots to Hack Ukrainian Military DevicesA Russian state-backed hacker group used third-party data-stealing bots and possibly a backdoor used by another Russia-based threat group to infiltrate and spy on devices used by frontline Ukrainian military units, according to a report from the Microsoft threat intelligence team.

AG Says HealthAlliance Tried But Failed to Fix Zero-Day Flaw That Led to ExploitNew York State has levied a $550,000 fine against a healthcare group that tried - but failed - to patch a critical zero-day vulnerability in a Citrix NetScaler appliance used for telemedicine. Hackers exploited the flaw, stealing 196 gigabytes of data in an incident affecting 242,000 people.