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.

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.

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.

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.

Cybercrime Group First Listed Ohio Health System as a Data Theft Victim Last JuneOhio-based Kettering Health is notifying current and former patients and "affiliates" that their personal, health and financial information was potentially compromised in a May 2025 ransomware attack and data theft incident claimed by cybercriminal gang Interlock.

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.

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.

Barts Health NHS Trust has revealed itself to be the latest victim of Cl0p’s Oracle EBS campaign

Bayhealth Medical Center Was Among Cybercrime Group's Many 2024 Healthcare VictimsBayhealth Medical Center in Delaware - an alleged victim of a 2024 hack by the "notorious" and prolific ransomware gang Rhysida that resulted in a breach affecting nearly a half-million people - has agreed to a preliminary settlement in a proposed class action lawsuit stemming from the incident.

Farmers' HIPAA Breach Affects 1.1 Million; Aflac Is Still Counting VictimsTwo major U.S.-based insurers - Farmers Insurance and Aflac Inc. - have each reported to regulators data breaches involving two recent separate cyberattacks. The breaches follow a spring and summer spree of data exfiltration incidents that hit multiple large players in the insurance sector.

What Makes Timely and Accurate Breach Reporting So Difficult for Some Organizations?An Illinois-based brokerage firm that works with employers, businesses and consumers to obtain various types of insurance coverage is notifying nearly 156,000 people that their protected health information was compromised in a data theft hack that occurred more than a year ago. Why the delay?

Lawmakers Demand Answers From UHG Amid New Breach and Growing FalloutWhen you've been the victim of the largest health data breach in U.S. history, and you've been under intense public and regulatory scrutiny for months, the last thing you want to do is to report another major breach less than a year after the last one. But that just happened to UnitedHealth Group.

At Least 410,000 Patients Reported Affected, But Likely Even More VictimsMonths after news first broke that a hacking incident compromised legacy patient data hosted by Cerner electronic health record servers that were set to migrate to parent company Oracle's cloud environment, data breach reports related to the hack are still slowly trickling in to regulators. What's taking so long?

Most Compromises Trace to Financial Services, Healthcare, Professional ServicesData breaches rage on. In the first half of this year, the Identity Theft Resource Center counted 1,732 total data breaches affecting 166 million people, marking a rise in data breaches but a decline in victims, likely due to a drop in mega-breaches.

Debt Collector's 2024 Data Breach Affected Multiple Hospitals and Medical PracticesThe list of healthcare sector clients reporting large health data breaches from the 2024 hack on debt collection firm Nationwide Recovery Service continues to grow, as does the vast number of affected patients. So far, the hack has affected at least 500,000 patients.

Healthcare Providers Are Among Nationwide Recovery Service Data Breach VictimsA 2024 hacking incident at a debt collection firm has affected a growing list of clients and at least hundreds of thousands of individuals so far, including 210,000 patients of Harbin Clinic in Georgia and nearly 90,000 patients of Texas-based Vitruvian Health, also known as Hamilton Health Care.

Experts Explain Complexity of Company's Massive Data Breach Analysis EndeavorUnitedHealth Group says its previously eye-popping estimate of 100 million people affected by last year's attack on its Change Healthcare unit nearly doubled in recent months to a staggering 190 million victims. Why did it take so long for the company to figure out the extent of the compromise?

Cost of Attack Has Reached $3.1 Billion for Parent Company UnitedHealth GroupOne of the biggest data breaches of 2024 is even worse than previously reported, as the tally of Change Healthcare breach victims has now reached 190 million individuals, and costs tied to the attack $3.1 billion, according to its owner, U.S. health insurance giant UnitedHealth Group.

Change Healthcare has claimed 190 million customers were affected by a mega-breach last year

Also: Interpol Says 'Pig Butchering' Shames Victims, A Data Leak Scandal in MexicoThis week, U.S. asks Israel to extradite an alleged LockBit coder, don't say "pig butchering," and an Apache Struts flaw. A hunt for alleged data thieves in Mexico, Europe probes TikTok and Netfilix fined 4.75 million. A ransomware attack against Texas medical centers and a credit union breach.