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
Critical10 Aug 2026
VITAS Hospice Services
Healthcare · 300,000 records
300K patient records with SSNs and medical data
10 Aug 2026
Critical10 Aug 2026
Blue Cross Blue Shield
Healthcare · Records not stated
Massive data breach; company allegedly knew about breach and delayed reporting; Montana insurance investigation
10 Aug 2026
High10 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Healthcare advocacy vendor cybersecurity incident exposed employees' social security numbers
10 Aug 2026
Critical10 Aug 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patients exposed in PEAR ransomware attack; healthcare billing and practice-management data
10 Aug 2026
Critical10 Aug 2026
AnMed Health System
Healthcare · Records not stated
US nonprofit health system data exfiltrated
10 Aug 2026
Critical10 Aug 2026
AnMed Health System
Healthcare · Records not stated
Ongoing malware attack closes 83 facilities
10 Aug 2026
High10 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
10 Aug 2026
Critical10 Aug 2026
Navia Benefit Solutions
Healthcare · Records not stated
2.7M SSNs and health benefits records exfiltrated via API
10 Aug 2026
Critical10 Aug 2026
UnitedHealthcare
Healthcare · Records not stated
One of the largest healthcare data breaches in American history; multiple companies affected
10 Aug 2026
Critical9 Aug 2026
Unlimited Technology Systems
Healthcare · 3,800,000 records
3.8 million people impacted in healthcare software company breach
9 Aug 2026
High9 Aug 2026
Quantum Health
Healthcare · Records not stated
Healthcare advocacy vendor breach exposed employees' SSNs via New Era Technology
9 Aug 2026
Critical9 Aug 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patients exposed in PEAR ransomware attack on healthcare billing company
9 Aug 2026
Critical9 Aug 2026
CareCloud Health Tech
Healthcare · 345,000 records
345K patient SSNs and medical records stolen
9 Aug 2026
Critical9 Aug 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patients exposed in PEAR ransomware attack on healthcare billing company
9 Aug 2026
High9 Aug 2026
Clinton Health Access Initiative
Healthcare · Records not stated
Ransomware attack by INC_RANSOM group
9 Aug 2026
Critical9 Aug 2026
Conduent Business Services
Healthcare · 62,200,000 records
62.2M records exposed in healthcare breach
9 Aug 2026
Medium9 Aug 2026
Alcon
Healthcare · 218,395 records
218,395 records exposed, Email addresses, Names, Phone numbers, Physical addresses
9 Aug 2026
High9 Aug 2026
Breach
Healthcare · Records not stated
Breach exposed personal and medical information including Social Security numbers
9 Aug 2026
Critical9 Aug 2026
One Medical Seniors
Healthcare · Records not stated
Clinical records exfiltrated in third-party breach
9 Aug 2026
Critical8 Aug 2026
Exact Sciences Abbott
Healthcare · 10,900,000 records
10.9M patient health records publicly leaked
8 Aug 2026
Critical8 Aug 2026
Conduent Health Services
Healthcare · 62,000,000 records
62M records stolen via 3-month network intrusion
8 Aug 2026
Critical8 Aug 2026
Amgen Pharmaceuticals
Healthcare · Records not stated
Patient and corporate data stolen from cloud systems
8 Aug 2026
High7 Aug 2026
Yearslong data breach
Healthcare · Records not stated
Yearslong data breach exposed residents' private health-related information
7 Aug 2026
Critical7 Aug 2026
TriZetto (duplicate confirmation)
Healthcare · 3,400,000 records
Confirmed year-long hack of network exposed records on 3.4 million people
7 Aug 2026
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