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
High1 Aug 2026
AnMed Health
Healthcare · Records not stated
Cyberattack forced closure of 10 facilities, health system operating at limited capacity
1 Aug 2026
High1 Aug 2026
AnMed Health System
Healthcare · Records not stated
Cyberattack forced closure of 10 facilities, prolonged recovery times impacting healthcare operations
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
Data breach affects 9.5 million patients; Birmingham, Alabama healthcare technology company
1 Aug 2026
Critical1 Aug 2026
Unlimited Technology Systems
Healthcare · 3,800,000 records
Data breach exposed approximately 3.8 million patient records; Ohio-based revenue cycle vendor
1 Aug 2026
High1 Aug 2026
AnMed
Healthcare · Records not stated
Cyberattack on nonprofit health system forced facility closures and limited operations
1 Aug 2026
High1 Aug 2026
AnMed Health System
Healthcare · Records not stated
Cyberattack forced 10 healthcare facilities to remain closed, prolonged recovery times reported
1 Aug 2026
Critical1 Aug 2026
McKesson
Healthcare · Records not stated
Unauthorized access to healthcare systems, patient data theft by Shiny Hunters
1 Aug 2026
Critical1 Aug 2026
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment, stole patient health data and proprietary company data
1 Aug 2026
High1 Aug 2026
AnMed Health
Healthcare · Records not stated
Cyberattack on nonprofit health system forced facility closures and prolonged recovery operations
1 Aug 2026
Critical1 Aug 2026
McKesson
Healthcare · Records not stated
Unauthorized access to cloud environment; ShinyHunters claimed patient data theft
1 Aug 2026
Critical1 Aug 2026
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment stealing patient health data and IP
1 Aug 2026
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
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