Weekly briefing No. 41 published 4 Oct 2026
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
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
Critical1 Aug 2026
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment, stealing patient health information and proprietary IP
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · 3,750,000 records
Data breach affected 3.75 million individuals
1 Aug 2026
Critical1 Aug 2026
Baylor Genetics
Healthcare · 2,800,000 records
Data breach exposed medical conditions and SSNs for 2.8 million people
1 Aug 2026
Critical1 Aug 2026
Amgen
Healthcare · Records not stated
Cybersecurity breach exposing patient health data and intellectual property stolen from cloud environment
1 Aug 2026
Critical1 Aug 2026
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment stealing patient health data and proprietary company information
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · Records not stated
Healthcare technology company breach exposed personal and medical information of 3.75+ million people
1 Aug 2026
Critical1 Aug 2026
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment; patient health data and intellectual property stolen
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · Records not stated
Hackers stole personal and medical information of 3.75+ million patients
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
Healthcare technology company breach affects 9.5 million patients' data
1 Aug 2026
Critical1 Aug 2026
Baylor Genetics
Healthcare · 2,800,000 records
Genetic testing company breach exposes medical conditions and SSNs for 2.8 million people
1 Aug 2026
Critical1 Aug 2026
McKesson
Healthcare · 284,000,000 records
ShinyHunters stole 284 million records including PII and PHI from healthcare distributor
1 Aug 2026
High1 Aug 2026
AnMed Health System
Healthcare · Records not stated
Cyberattack forced 10 facilities to remain closed, prolonged recovery affecting operations
1 Aug 2026
Critical1 Aug 2026
Amgen
Healthcare · Records not stated
Patient health data and proprietary company IP stolen from cloud environment
1 Aug 2026
Were you affected?