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.
5,583
Disclosures in the tracker, all years
2,083
Of those, indexed in 2026
147
Added in October
22
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 31 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
5,552 results · Healthcare disclosures. Clear filters
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
Data breach exposed sensitive health information of 9.5 million patients
1 Aug 2026
High1 Aug 2026
GP Network
Healthcare · Records not stated
Healthcare sector breach exposed patient records which reached the dark web.
1 Aug 2026
High1 Aug 2026
AnMed
Healthcare · Records not stated
Nonprofit health system cyberattack caused prolonged facility closures and limited operations
1 Aug 2026
Critical1 Aug 2026
McKesson
Healthcare · 284,000,000 records
284 million records including PII and PHI stolen by ShinyHunters
1 Aug 2026
High1 Aug 2026
AnMed Health System
Healthcare · Records not stated
Cyberattack affected healthcare operations, facilities closed for extended recovery
1 Aug 2026
Critical1 Aug 2026
Veradigm
Healthcare · 3,500,000 records
3.5M patient records stolen by Gentlemen ransomware gang
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
9.5M patient health records exposed
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
Data breach affects 9.5 million patients at Birmingham, Alabama-based healthcare technology company
1 Aug 2026
High1 Aug 2026
Veradigm
Healthcare · Records not stated
Customer data stolen after hackers infiltrated vendor systems at electronic health record company
1 Aug 2026
Critical1 Aug 2026
McKesson
Healthcare · 284,000,000 records
Data breach confirmed with 284M records stolen including PII and PHI by ShinyHunters
1 Aug 2026
Critical1 Aug 2026
McKesson
Healthcare · Records not stated
Hackers claim millions of patient records stolen during data breach
1 Aug 2026
Critical1 Aug 2026
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment stealing patient health data and intellectual property
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
9.5M patient records exposed from healthcare technology company
1 Aug 2026
High1 Aug 2026
AnMed
Healthcare · Records not stated
Healthcare system cyberattack caused facility closures and prolonged recovery with data breach impact
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · 3,750,000 records
3.75 million patient records exposed including medical data, SSNs, and banking information via AWS breach
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
Healthcare technology company data breach affected 9.5 million patients
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
Healthcare technology company breach exposed protected health information of 9.5 million patients
1 Aug 2026
Critical1 Aug 2026
Baylor Genetics
Healthcare · 2,800,000 records
Breach exposed medical conditions, Social Security numbers, and genetic data for 2.8 million people
1 Aug 2026
Critical1 Aug 2026
McKesson
Healthcare · Records not stated
Healthcare distribution giant suffered unauthorized access; patient data theft claimed by ShinyHunters
1 Aug 2026
High1 Aug 2026
AnMed Health
Healthcare · Records not stated
Ransomware attack on healthcare system
1 Aug 2026
Critical1 Aug 2026
Baylor Genetics
Healthcare · 2,800,000 records
Data breach exposed 2.8 million people's medical conditions and Social Security numbers
1 Aug 2026
High1 Aug 2026
AnMed
Healthcare · Records not stated
Nonprofit health system impacted by cyberattack causing prolonged facility closures
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · 3,700,000 records
3.7M patients' medical records stolen in cyberattack
1 Aug 2026
Critical1 Aug 2026
Baylor Genetics
Healthcare · 2,800,000 records
2.8 million people affected; exposed medical conditions and Social Security numbers
1 Aug 2026
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