AstraZeneca
1.1M patient trial records compromised in vendor breach
Healthcare Data Breaches (801 indexed)
MultiCare Health System
870K patient records exposed in Washington state health system cyberattack
CarePoint Health (New Jersey)
363K emergency department patient records exposed after server misconfiguration
BC Cancer Agency
680K patient treatment records exposed via compromised research data warehouse
MedStar Health (Washington DC)
183K patient records exposed via compromised email accounts — phishing attack
Telus Health
1.4M patient records compromised in targeted attack
Tokyo Metropolitan Cancer Hospital
287K patient oncology records exfiltrated — unauthorized access via VPN zero-day
Yale New Haven Health System
5.6M patient records exposed including SSNs and medical record numbers — $18M settlement
Cerebral Inc.
3.1M mental health patient records shared with advertising platforms via tracking pixels
Olympus Corporation (Japan)
280K medical device records exposed
Fraser Health (BC)
890K patient records exposed in network breach
Rouge Valley Health System (Ontario)
230K patient records including surgical notes exposed via compromised portal
Concentra Health Services
Occupational health provider breach affecting hundreds of thousands of patient records
Elligence Health (Maryland)
550K Medicare Advantage patient records exposed via third-party data processor
Genea Fertility (Australia)
Patient reproductive health data and IVF records compromised in targeted attack
Sanford Health
1.5M patient records compromised in ransomware attack on Midwestern health system
Medibank (Continued Impact)
9.7M customer records from 2024 breach continue to surface on dark web — regulatory action ongoing
Alabama Ophthalmology Associates
131K patient records exposed
Youthmanual
937,912 records exposed — Bios, Dates of birth, Email addresses, Genders and 5 more
SouthCoast Health (Georgia)
468K patient records exposed in Medusa ransomware attack on regional health network
HealthMarket Insurance
420K policyholder records stolen including SSNs
Corewell Health
1M patient records compromised via business associate Welltok data breach spillover
Sanofi
560K clinical trial records exposed in targeted attack
Health PEI
92K patient records stolen in ransomware