Disclosure tracker › Healthcare disclosures
Intelligence · Disclosure tracker
Healthcare disclosures
Public breach disclosures from regulators, court filings, company notices and news reporting, each recorded with its date and a link to the original. Updated daily.
5,292
Disclosures in the tracker, all years
2,005
Of those, indexed in 2026
50
Added in October
9
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 18 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
4,963 results · Healthcare disclosures. Clear filters
High6 Aug 2026
CareCloud Health
Healthcare · 350,000 records
350K patient SSNs and payment records stolen from AWS
6 Aug 2026
Critical6 Aug 2026
Craneware Group
Healthcare · Records not stated
Significant volume stolen from US hospital billing systems
6 Aug 2026
Critical6 Aug 2026
DentaQuest Sun Life
Healthcare · Records not stated
2.6M Medicaid beneficiary records leaked
6 Aug 2026
Critical6 Aug 2026
NYC Health and Hospitals
Healthcare · 1,800,000 records
1.8M patient biometric and health records stolen
6 Aug 2026
High6 Aug 2026
ProHealth Medical Group
Healthcare · Records not stated
114GB patient data stolen in ransomware attack
6 Aug 2026
Critical6 Aug 2026
CareCloud
Healthcare · 345,000 records
345K patient records stolen including SSNs and card numbers
6 Aug 2026
Critical6 Aug 2026
Abbott Exact Sciences Legacy
Healthcare · 30,000,000 records
30M rows claimed stolen including 1M SSNs
6 Aug 2026
Critical6 Aug 2026
6 Aug 2026
High6 Aug 2026
6 Aug 2026
High5 Aug 2026
5 Aug 2026
High5 Aug 2026
Cookeville Regional Medical Center
Healthcare · 330,000 records
330K patient records compromised in ransomware
5 Aug 2026
Critical5 Aug 2026
CareCloud Health Tech
Healthcare · 350,000 records
350K patient medical and financial records exposed
5 Aug 2026
High5 Aug 2026
Cookeville Regional Medical Center
Healthcare · 330,000 records
330K patient records exposed in ransomware attack
5 Aug 2026
High5 Aug 2026
Organisation not named
Healthcare · 102,215 records
The disclosure as indexed does not name the organisation.
Brazil's SISVISA health surveillance system left 102,215 files totaling 79GB open online, including tax IDs and identity documents, without password protection.
5 Aug 2026
Critical2 Aug 2026
Medical billing firm breach
Healthcare · 1,260,000 records
Medical billing firm breach exposed sensitive data of 1.26 million people in 2025
2 Aug 2026
High2 Aug 2026
Partnered Health (Australia)
Healthcare · Records not stated
Personal information and medical details from 21 clinics stolen in cyber-attack
2 Aug 2026
Critical2 Aug 2026
Medical Billing Company
Healthcare · 1,300,000 records
2025 ransomware attack exposed protected health data on 1.3 million people to dark web
2 Aug 2026
High2 Aug 2026
Amgen
Healthcare · Records not stated
Cloud data breach exposed patient health information and proprietary corporate data.
2 Aug 2026
Critical2 Aug 2026
1.2M individuals' personal data exposed in ransomware attack
Healthcare · 1,200,000 records
1.2M individuals' personal data exposed in ransomware attack
2 Aug 2026
High2 Aug 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of NHS patient records stolen during major ransomware attack disrupting healthcare
2 Aug 2026
Critical2 Aug 2026
Amgen
Healthcare · Records not stated
Cloud data breach exposed patient health records and proprietary corporate information
2 Aug 2026
Critical2 Aug 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing firm network breach exposed sensitive data affecting 1.26 million people
2 Aug 2026
Critical2 Aug 2026
TriZetto (Healthcare Tech)
Healthcare · Records not stated
2024 breach affecting more than 3 million Americans' healthcare data
2 Aug 2026
High2 Aug 2026
Huntsville Hospital
Healthcare · Records not stated
Data breach compromises personal health information of hospital system patients
2 Aug 2026
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