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Healthcare Data Breaches

Hospitals, clinics, insurers, and medical-IT vendors are the highest-value targets in cybercrime. Below is every healthcare-sector breach LeakTrace has indexed — patient records, HIPAA disclosures, ransomware victims, and supply-chain compromises.

98B+
Records Exposed
12941
Incidents
94+
Countries
+104%
Breach Velocity YoY
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Healthcare Data Breaches (12941 indexed)

high · healthcare · Jul 15, 2026

Trevor Long

Trevor Long reports: A large health care chain that owns family medical clinics across Australia has been the victim of a cyber breach which has exposed the data of their patients, including potentially treatment informa

View incident → Original disclosure Indexed 22 hours, 44 minutes ago
critical · healthcare · Jul 9, 2026

Conduent

62.2M SSNs and medical records exposed in ransomware

View incident → Indexed 6 days, 22 hours ago
critical · healthcare · Jul 9, 2026

DentaQuest

2.6M Medicaid dental beneficiary records leaked

View incident → Indexed 6 days, 22 hours ago
critical · healthcare · Jul 9, 2026

DentaQuest

2.6M Medicaid health records publicly leaked

View incident → Indexed 6 days, 22 hours ago
critical · healthcare · Jul 9, 2026

Conduent

62.2M SSNs and medical records stolen in ransomware

View incident → Indexed 6 days, 22 hours ago
high · healthcare · Jul 9, 2026

DentaQuest

234GB dental benefits data archive published online

View incident → Indexed 6 days, 22 hours ago
critical · healthcare · Jul 9, 2026

Conduent

62.2M SSNs and medical records exfiltrated

View incident → Indexed 6 days, 22 hours ago
critical · healthcare · Jul 9, 2026

Conduent

62.2M SSNs and medical records confirmed stolen

View incident → Indexed 6 days, 22 hours ago
critical · healthcare · Jul 9, 2026

Medtronic

9M health records stolen in ransomware attack

View incident → Indexed 6 days, 22 hours ago
high · healthcare · Jul 9, 2026

Novo Nordisk

Clinical trials and patient data stolen from internal IT systems

View incident → Indexed 6 days, 22 hours ago