Latest cybersecurity reporting from selected sources.

Diagnostics Lab Reported 10.3M Patients Affected by Collection Agency's HackMedical laboratory testing giant Labcorp has agreed to pay $35 million to settle class action litigation stemming from a 2018 hacking incident on now-defunct American Medical Collections Agency. Labcorp reported the vendor breach in 2019 as affecting nearly 10.3 million patients.

Breach Is Among Several Recent Major Incidents Involving Billing Software ProvidersA publicly traded cancer treatment firm notified investors that a yet-undisclosed number of patients' information was compromised in a 2025 cybersecurity incident involving a third-party billing software vendor. The Oncology Institute provides cancer treatment care to nearly 2 million patients.

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 […]

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.

CareCloud: Intruder Accessed Systems for 8 Hours, Still Assessing Extent of BreachElectronic health records vendor CareCloud has notified the U.S. Securities and Exchange Commission of a cyber incident earlier this month that temporarily disrupted the software and accessed one of its EHR environments. The company is assessing whether patient data was accessed or stolen.

State Officials Investigating Breach of Back-Office Services Provider Found in 2025The victim count in the 2024 hack on back-office support services vendor Conduent Business Services has just ballooned again, with the Xerox-spinoff now reporting to Wisconsin regulators that the incident affected "25 million-plus" people nationwide.

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.

State Monitoring Incident Involving a Health Entity Worker for Potential FraudThe Minnesota Department of Human Services is notifying nearly 304,000 people of data breach involving someone at a healthcare provider who inappropriately accessed information from an IT system managed by a vendor. State officials are monitoring the incident for potential fraud.

Why Are Third-Party Vendor Breaches So Hard to Figure Out?The victim tally of a 2024 hacking incident at medical services provider Conduent again soared after a new regulatory disclosure by the company, in this case to Texas authorities. The company told Lone Star state officials the breach affected nearly 14.8 million Texans, alone.

Also: npm Packages Infiltrated, FBI Issues Fraud Alert, Campbell's Soup Cans CISOThis week, a recently fixed Oracle flaw is being actively exploited, Shelly tackled Pro 4PM DoS bug, "Shai-Hulud 2.0" hit npm, the FBI warned of rising bank account takeover scams, regulators fined Comcast over a vendor breach, Iberia reported a supplier incident and Campbell's canned its CISO.

Spanish flag carrier Iberia has begun notifying customers of a data security incident stemming from a compromise at one of its suppliers. The disclosure comes days after a threat actor claimed on hacker forums to have access to 77 GB of data allegedly stolen from the airline. [...]

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.

Vendor Providing Employee Screenings Across Multiple Sectors Reports Cyber IncidentDISA Global Solutions, a third-party administrator of background checks and drug and alcohol testing for employers in multiple industries, said 3.3 million individuals are affected by a data theft incident that happened a year ago. The firm is already facing several lawsuits involving the breach.

In what's being called a 'major cybersecurity incident,' Beijing-backed adversaries broke into cyber vendor BeyondTrust to access US Department of Treasury workstations and steal unclassified data, according to a letter sent to lawmakers.

The data leak was not actually due to a breach in Amazon's systems but rather that of a third-party vendor; the supply chain incident affected several other clients as well.

Texas-Based Gryphon Healthcare Says an Unnamed Third Party Was at Center of BreachA Texas-based revenue cycle management firm is notifying about 400,000 individuals of a hacking incident it says originated with another third party. The incident is among a growing list of major breaches implicating vendors and cumulatively affecting tens of millions of patients so far this year.

InfoSys McCamish Systems Earlier Alerted 57,000 Bank of America Clients of BreachInfosys McCamish Systems, an insurance software product and services vendor, is notifying nearly 6.1 million people of a 2023 ransomware incident that potentially comprised their sensitive data, including Social Security numbers, medical treatment, and financial and biometric information.

DOJ Says Vendor's Terminated Worker Unlawfully Accessed Geisinger Patient InfoAn ex-employee of Microsoft's Nuance Communications unit is at the center of a 2023 data breach that affected more than 1 million patients of Pennsylvania-based healthcare system Geisinger. The Department of Justice has criminally charged the former Nuance worker in the incident.

The private information of more than 28,000 people may have been accessed by unauthorized actors, thanks to a cyber incident at service provider Infosys McCamish — the same third party recently responsible for the Bank of America breach.

Concentra Health Services Joins List of Those Affected in Transcriber's Data BreachA Texas-based physical and occupational therapy provider is notifying nearly 4 million patients that they have joined the soaring tally of victims of a data theft incident at a Nevada medical transcription vendor last year. The supply chain hack appears to have affected at least 14 million people.