Healthcare

Workplace benefits administrator Navia discloses data breach affecting 2.7 million individuals. Social Security numbers, health plan data, and personal information stolen during December-January intrusion.

Cognizant subsidiary TriZetto Provider Solutions confirms breach affecting 3.4 million patients. SSNs, Medicare IDs, and health data exposed after attackers went undetected for nearly a year.

Cisco Talos uncovers UAT-10027 deploying Dohdoor malware against American hospitals and schools. The backdoor uses DNS-over-HTTPS to evade detection.

University of Mississippi Medical Center shuts 35 clinics statewide after ransomware attack disables Epic EHR access. FBI investigating as doctors resort to pen and paper for patient care.

Ransomware attacks on healthcare surged 30% in 2025. Here's why medical organizations remain prime targets and what defenders can do about it.

A new ransomware group has compromised at least six healthcare organizations in Taiwan using BYOVD attacks to disable security software before encryption.

System enhancement gone wrong allowed members to view other members' names, diagnoses, and medications. The insurer is offering affected individuals credit monitoring.

The Russian-linked gang led all ransomware groups on January 6 with attacks spanning wine distributors, art logistics, and medical practices across three countries.

Configuration error left addresses, case numbers, and demographic data publicly accessible on mapping website from January 2022 until September 2025.

ManageMyHealth confirms Kazu ransomware gang compromised Health Documents module, threatening to leak 108GB of medical records unless $60,000 ransom is paid.

Insurance giant Aflac discloses hackers stole SSNs, health records, and personal data from 22.6 million people in a June 2025 breach attributed to Scattered Spider.