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.

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.

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.

HIPAA Settlement Small Compared to Many OthersU.S. federal regulators fined a dental practice software vendor with a seemingly lowball financial penalty for a high-stakes 2020 hack affecting 15 million individuals that the company failed to report. Maryland-based MMG Fusion agreed to $10,000.

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.

Growing Third-Party Breach Trend Is Spreading to AI SuppliersIT organizations have built processes for reducing vendor risk, but in the AI era, that operating model is being dismantled. Modern AI environments are built on dynamic external foundational models, countless APIs, open-source components and continuous data pipelines that pose risks.

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: China-Linked APT Hijack Updates, Condé Nast Data Leaked, La Poste HitThis week, a Clop-linked vendor breach hit Korean Air, a China-linked APT hijacked software updates, a critical zero-day flaw remained unpatched, Condé Nast faced a data leak, La Poste was disrupted and Korean police extradited a malware operation suspect.

Marquis Software Solutions Says Ransomware Group Hit SonicWall Device, Stole DataMarketing and compliance software maker Marquis Software Solutions, which counts over 700 banks and credit unions as customers, said a ransomware group breached its SonicWall firewall and stole hundreds of thousands of individuals' personal details, including Social Security numbers.

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.

Conduent Gets Sued; US Government's Cyber Shutdown Woes; Hacktivist Hits RiseThe latest ISMG Editors' Panel tackles: post-hack legal fallout for Conduent after it suffered the year's biggest health data breach, the U.S. government's shutdown complicating its response to the breach of vendor F5 and the rise in attacks targeting Western critical national infrastructure.

SEC Filing Reveals Telecom Vendor Was Compromised for Nearly a YearA nation-state threat actor carried out a supply chain attack targeting Ribbon Communications, a leading U.S. provider of telecom and networking infrastructure, and may have maintained access within its systems for nearly a year. Ribbon said it became aware of the activity in early September.

Regulators Want to Know If Insurer Delayed Notifying 462,000 Affected MembersMontana regulators are investigating a breach affecting 462,000 Blue Cross Blue Shield of Montana members involving one of the insurer's service providers. The vendor, Conduent, in April notified the SEC that the data theft affected numerous clients and a "significant number" of people.

Proliferating Age Verification Systems a Hacker TargetA vendor breach linked to Discord exposed government ID uploads used in age verification, raising alarms among privacy experts who warn that third-party data collection systems are becoming high-value targets amid rising legislative mandates for online age checks.

At Least 918K Affected in 2024 BianLian Data Theft AttackA New York-based pediatric practice and its managed services vendor have agreed to pay $5.15 million to settle a proposed class action lawsuit stemming from a 2024 data theft attack affecting more than 918,000 people and allegedly carried out by cybercrime gang BianLian.

Also: Clorox Sues IT Vendor Over Password BlunderThis week, XSS forum admin arrested, Clorox sued Cognizant, Lumma Stealer is back, NY regulates water, U.S. maritime cybersecurity rules in effect, new Coyote banking Trojan, a hacker nabbed details of Mexico City auxiliary police, Latin America cyberattacks, and World Leaks stole synthetic data.