Integris Health (Oklahoma)
2.4M patient records stolen — attackers emailed patients directly demanding payment
Healthcare Data Breaches (742 indexed)
Anna Jaques Hospital (Massachusetts)
316K patient records exposed after Christmas Day ransomware attack — Money Message gang
St Vincent's Health Australia
Cyberattack on Australia's largest non-profit hospital network — data stolen
Regal Medical Group (California)
3.3M patient records exposed in ransomware attack — delayed 6-month notification
PhyAmerica / Envision Healthcare
590K patient records exposed
Cardiovascular Consultants
484K patient records exposed
Geisinger Health System
1.2M patient records accessed by former Nuance employee — insider threat incident
Geisinger Wyoming Valley
72K patient records exposed in insider breach
Geisinger Health
1.2M patient records accessed by former Nuance employee before account was disabled
Integris Health
2.4M patient records stolen and patients extorted directly by hackers
Ardent Health Services
Ransomware forced ER diversions at 30 hospitals in 6 states — 190K records exposed
Eastern Radiologists
887K patient radiology records exposed
Fred Hutchinson Cancer Center (Seattle)
Cancer patients extorted directly after Hunters International ransomware attack — 1M records
ALAB Laboratoria (Poland)
200,000 patient test results published online — Poland's largest lab chain
Concentra Health Services (PJ&A)
3.9M patient records exposed through transcription vendor
Nuance Communications (Healthcare AI)
1.6M patient transcription records accessed via compromised service accounts
Capsule Pharmacy
27K patient prescription records exposed
Muskoka Algonquin Healthcare
Cybersecurity incident impacted hospital operations in Huntsville and Bracebridge
ProMedica Health System (Ohio)
585K patient records exposed via compromised vendor — nursing facility records included
Rio Grande Valley Health
56K patient records exposed
QIMR Berghofer Medical Research
Research institute data compromised — donor and patient research records at risk
Perry Johnson & Associates
9M patient health records exposed at medical transcription vendor
Cook County Health (IL)
2.6M patient records exposed in Perry Johnson breach
Northwell Health (vendor)
3.89M patient records exposed via Perry Johnson breach