Latest cybersecurity reporting from selected sources.

Business Associates Tied to 50% of Breach Victims as AI-Aided Attacks LoomVendor incidents and hacks, especially data thefts and ransomware attacks, continue to plague the healthcare sector, accounting for the majority of major data breaches reported so far this year. The advent of AI tools in the hands of bad actors, will only heighten the threats, experts predict.

China’s UNC6508 hid in North American medical research networks for 2 years, stealing credentials and forwarding emails to Gmail Google’s Threat Intelligence Group published a report this week on UNC6508, a China-linked cyberespionage group that breached North American medical and military research organizations and stayed hidden for more than two years. The earliest confirmed intrusion […]

Digital healthcare company iRhythm Holdings has disclosed a data breach after hackers stole patients' personal and health information stored on third-party-hosted business applications. [...]

Novo Nordisk Breach Involved 'Copying' of Patient, Healthcare Provider InfoA hack on Danish pharmaceutical manufacturer Novo Nordisk has compromised some patients' clinical trial information, the maker of popular weight loss and diabetes treatment drugs including Wegovy and Ozempic said. The company is working to bring affected IT systems back online.

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?

The Oncology Institute disclosed a data breach tied to a third-party vendor, potentially exposing patient information after a 2025 cyberattack. The Oncology Institute has confirmed that patient information was impacted in a cybersecurity incident involving a third-party software provider. The healthcare network first disclosed the security breach in November 2025 while the vendor’s investigation was […]

Ransomware and vendor breaches persist. The "2026 Data Breach Investigations Report" (DBIR) highlights how evolving social engineering tactics make the sector more vulnerable.

Incident Involved an Unnamed Third-Party VendorNew York City's municipal healthcare system is notifying nearly 2 million patients of a hacking incident discovered earlier this year involving a third-party vendor. The breach compromised a long list of information, including biometric data such as fingerprints.

As the war with Iran continues, breach attempts targeting the United Arab Emirates tripled in a few weeks — many targeting critical infrastructure.

HHS OCR Breach Investigators Again Find All-Too-Common Risk Analysis FailuresFaulty or non-existent security risk analyses cost a medical imaging provider, a women's healthcare group, a health plan and a third-party insurance administrator a collective $1.7 million in fines after federal regulators concluded they didn't do enough to prevent ransomware attacks.

HHS OCR Breach Investigators Again Find All-Too-Common Risk Analysis FailuresFaulty or non-existent security risk analyses cost a medical imaging provider, a women's healthcare group, a health plan and a third-party insurance administrator a collective $1.7 million in fines after federal regulators concluded they didn't do enough to prevent ransomware attacks.

Also, Europol Cracks DDoS Networks, Mythos Finds Bugs, France Portal HitThis week, scam compounds. Attackers exploit flaws pre-disclosure. A crackdown on DDoS-for-hire. No Mythos for CISA, yes for Mozilla. France ID portal breach. Israeli and Venezuelan critical infrastructure targeted. Russian hacking in Ukraine. An Apache flaw. A ransomware negotiator aided BlackCat.

Also, Eurail Breach, ChipSoft Hospital Disruptions, W3LL Phishing TakedownThis week, a "Raccoon"-linked actor hit help desks, Eurail exposed 308K users, Fortinet patched critical flaws, Pushpaganda scams, major data leaks hit healthcare and China, ransomware and phishing ops surged, and multiple breaches impacted firms and hospitals.

Healthcare IT firm CareCloud has disclosed a data breach incident that exposed sensitive data and caused a network disruption lasting approximately eight hours. [...]

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.

Also, Russian Signal Phishing, Iran-Linked Malware, Breaches in Spain and FranceThis week, Tycoon 2FA, Trio-Tech, messaging app spying and a ransomware broker sentenced. Iran-linked hackers. Mazda disclosed a breach. Oracle patched a flaw. North Korean actors weaponized VS Code, a Spanish port ransomware attack, a French teacher data breach and a healthcare firm victim surge.

TriZetto Provider Solutions, a healthcare IT company that develops software and services used by health insurers and healthcare providers, has suffered a data breach that exposed the sensitive information of over 3.4 million people. [...]

Parent company Cognizant hit with multiple lawsuits Thousands more Oregonians will soon receive data breach letters in the continued fallout from the TriZetto data breach, in which someone hacked the insurance verification provider and gained access to its healthcare provider customers across multiple US states.…

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.

Breach Affected More Than a Dozen Healthcare Clients, 2.5M PatientsElectronic health records vendor Veradigm agreed to pay $10.5 million to settle consolidated class action litigation involving a December 2024 hacking incident discovered in mid-2025 that affected more than a dozen healthcare provider clients and about 2.5 million of their patients.