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.

iRhythm: Patient Information and 'Proprietary' Data Breached, Held for RansomCardiac monitoring firm iRhythm Technologies has told the U.S. Securities and Exchange Commission that hackers recently stole proprietary data and patient health information from "certain" third-party-hosted business applications, and demanded a ransom. The company did not disclose whether it paid.

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.

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.

Back-Office Servicer's Breach Estimate Has More Than Doubled Since FebruaryThe victim tally in back-office services firm Conduent Business Services' 2024 hack has more than doubled to over 62.2 million individuals, from an earlier estimate of "25 million plus." The incident is now on track to be at least the third-largest health data breach ever reported to regulators.

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?

Also, Kali365 Bypasses MFA, Silent Ransom Group Makes Office CallsThis week, active duty troops tracked, Kali365 bypassed MFA, Australian lawmakers phished on WhatsApp, Silent Ransom escalated IT scams, Lithuania and German hospitals disclosed breaches, pro-Russian infrastructure providers arrested, CISA warned of active LiteSpeed exploitation.

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.

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, 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.

Also, Lloyds Data Leak, Dutch Treasury Breach, Citrix Bug Exploit, Pay2Key ActivityThis week, Lloyds data leak hits 450K, Dutch treasury breach, Citrix flaw exploited, Iran-linked ransomware ops, TrueConf zero-day, Russian fraud ring sentenced, Romania targeted, patch gaps persist, and U.S. hospital breach affects 257K.

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.

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.

Tehran-Linked Handala Hackers Disrupt Medtech Giant Stryker, Claim Verifone BreachAs the United States and Israel continue their war with Iran, Tehran-linked hacking group Handala has entered the fray, claiming credit for wiping systems at medical technology firm Stryker, which confirmed the attack, as well as breaching payment device maker Verifone, which denied being breached.

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.

Also: Trojanized RedAlert App, Tycoon 2FA Takedown, CyberStrikeAI AttacksThis week, Cisco patches and hacks. Trojanized app targeted Israelis. Bye-bye, Tycoon 2FA. Also bye-bye LeakBase. A LexisNexis breach. Woman sentenced for trafficking Microsoft licenses. Silver Dragon targeted governments. Broadcom patch. A Mississippi medical clinic resumed operations.

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.