Healthcare cybersecurity stories

Sep 2, 2026

McKesson confirms data theft in cyberattack involving third-party apps

Healthcare distributor McKesson disclosed a data breach affecting a subset of customers in its oncology and medical-surgical divisions. The incident involved unauthorized access through third-party applications.

Sep 2, 20261 source

Aug 7, 2026

Ransomware attack on Unlimited Technology Systems exposes 3.8 million patient records

Revenue cycle vendor Unlimited Technology Systems disclosed a ransomware attack affecting 3.8 million patients, making it the second-largest healthcare data breach reported to HHS this year. The breach may have exposed names, Social Security numbers, diagnoses, and insurance details.

Aug 7, 20262 sources