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.

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.

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.

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.

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.

​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. [...]

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.

UnitedHealth has confirmed for the first time that over 100 million people had their personal information and healthcare data stolen in the Change Healthcare ransomware attack, marking this as the largest healthcare data breach in recent years. [...]

Also: Cloudflare Was Hacked With Stolen Okta TokenThis week, former CIA programmer gets 40-year sentence, zero trust prevents widespread damage, possible ransomware attack in Georgia, alleged hacker detained in Ukraine, USB-spread malware in Italy, LockBit attack on non-bank home mortgage lender, and Ukrainian critical infrastructure disrupted.

Northwell Health Among Perry Johnson & Associates' Healthcare Clients AffectedThe number of healthcare organizations and patients affected by a recent data theft at medical transcription firm Perry Johnson & Associates is expanding: The company now says the breach affected the sensitive information of about 9 million people.

Michigan Healthcare Provider Faces 7 Federal Lawsuits in Alphv/BlackCat Data TheftMcLaren Health Care is notifying nearly 2.2 million people of a data breach weeks after ransomware group Alphv/BlackCat claimed to have stolen 6 terabytes of patient records in a recent attack. In the meantime, the number of lawsuits filed against McLaren related to the incident continues to climb.

HCA Healthcare disclosed a data breach impacting an estimated 11 million patients who received care at one of its hospitals and clinics after a threat actor posted samples of stolen data on a hacking forum. [...]