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
Critical7 Aug 2026
Blue Cross Blue Shield
Healthcare · Records not stated
Massive data breach affecting health and insurance information; company delayed reporting to regulators
7 Aug 2026
Critical7 Aug 2026
TriZetto (Healthcare Tech Provider)
Healthcare · Records not stated
More than 3 million Americans impacted by 2024 breach affecting multiple states
7 Aug 2026
High7 Aug 2026
Partnered Health (Australian Clinics)
Healthcare · Records not stated
Cyber-attack exposed medical records including Medicare numbers and pathology results
7 Aug 2026
Critical7 Aug 2026
VITAS Hospice Services
Healthcare · 300,000 records
300K patient records exposed via vendor account
7 Aug 2026
Critical7 Aug 2026
NYC Health Hospitals
Healthcare · 1,800,000 records
1.8M patient records and biometric data stolen
7 Aug 2026
High7 Aug 2026
7 Aug 2026
High7 Aug 2026
ADG Healthcare
Healthcare · Records not stated
Healthcare records compromised by OROVA actor
7 Aug 2026
Critical7 Aug 2026
MCBS Billing Services
Healthcare · Records not stated
3TB PHI and payment data stolen via ransomware
7 Aug 2026
High7 Aug 2026
Partnered Health
Healthcare · Records not stated
Cyber-attack on Australian healthcare provider exposed personal and medical details from 21 clinics
7 Aug 2026
Critical7 Aug 2026
Exact Sciences
Healthcare · 10,869,543 records
10,869,543 records exposed, Dates of birth, Email addresses, Genders, Names and 3 more
7 Aug 2026
Critical7 Aug 2026
Unlimited Systems Health IT
Healthcare · 442,000 records
442K patient records exposed in ransomware attack
7 Aug 2026
Critical7 Aug 2026
NYC Health + Hospitals
Healthcare · 1,800,000 records
1.8M records with biometrics and SSNs stolen
7 Aug 2026
High6 Aug 2026
Data breach
Healthcare · Records not stated
Data breach exposed SSNs and medical records of patients
6 Aug 2026
Medium6 Aug 2026
6 Aug 2026
High6 Aug 2026
Synnovis/Mid South Essex NHS
Healthcare · 900,000 records
Thousands of NHS patient records stolen during major ransomware attack
6 Aug 2026
Critical6 Aug 2026
Abbott Labs Exact Sciences
Healthcare · 30,000,000 records
30M patient records, 1M SSNs stolen by ShinyHunters
6 Aug 2026
High6 Aug 2026
6 Aug 2026
Critical6 Aug 2026
Unknown Medical Billing Company
Healthcare · 1,300,000 records
Ransomware attack exposed sensitive protected health data on 1.3 million people to dark web
6 Aug 2026
Critical6 Aug 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of NHS patient records stolen in major ransomware attack affecting healthcare services
6 Aug 2026
High6 Aug 2026
Valley Kidney Specialists
Healthcare · Records not stated
Data breach exposed personal and health information of patients
6 Aug 2026
Critical6 Aug 2026
Conduent
Healthcare · 62,200,000 records
Data breach exposed 62.2 million records, third-largest US healthcare hack
6 Aug 2026
Critical6 Aug 2026
Craneware Healthcare Software
Healthcare · Records not stated
Customer and partner records stolen from hospitals
6 Aug 2026
Critical6 Aug 2026
NYC Health + Hospitals
Healthcare · 1,800,000 records
1.8M patient records and biometrics exposed
6 Aug 2026
High6 Aug 2026
Healthcare Highways
Healthcare · Records not stated
Ransomware attack on US health network provider
6 Aug 2026
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