Arkansas · State rollup
Healthcare data breaches in Arkansas, 2026.
3 HHS OCR-reported healthcare data breaches affecting 215,361 Arkansas residents. 1 attributed to ransomware groups. Each entry below names the provider, the data exposed, and the steps to take if you received a notification letter.
Date Type Organization Affected
Hacking Arkansas Primary Care Clinic 2,491 Ransomware Highlands Oncology Group PA 111,766 Hacking Mainline Health Systems Inc 101,104