Medibank (ahm Health Insurance)
ahm subsidiary of Medibank — 2.8M records compromised in same incident
Healthcare Data Breaches (742 indexed)
Medibank (9.7M Records)
9.7M customer records stolen by REvil — medical claims data published on dark web
Medibank (Australia)
9.7M customer health records posted on dark web by REVil ransomware group
BayCare Health System
74K patient records exposed
Cigna
150K member records shared via website tracking code
Avita Medical
18K patient records exposed in ransomware
Acadia Healthcare
120K patient records exposed in ransomware
Pinnacle Orthopedics
24K patient records exposed
CommonSpirit (2023 update)
623K patient records — $160M in costs from ransomware
CommonSpirit Health
623K patient records exposed in ransomware attack on one of largest US hospital chains
AssuredPartners
85K employee health records exposed
SouthStar Emergency Group
57K patient records exposed
Advent Health Partners
34K patient records exposed
UnitedHealthcare
398K member records exposed in tracking pixel incident
Maternal & Family Health Services (PA)
461K patient records exposed in ransomware
Connexin Software / Office Practicum
2.2M pediatric patient records exposed
Roper St. Francis Healthcare (2022)
68K patient records exposed
CareFirst Administrators
63K member records exposed
OakBend Medical Center
500K patient records exposed in Daixin ransomware
AnesthesiaWeb Inc
54K patient records exposed
Baptist Health (Jacksonville FL)
185K patient records exposed in vendor breach
Atrium Health (Meta Pixel)
2.65M patient records shared via website tracking code
Centre Hospitalier de Corbeil-Essonnes
LockBit demanded 10M EUR ransom — 11GB of patient data published
Keystone Health
235K patient records exposed in ransomware