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.
5,301
Disclosures in the tracker, all years
2,015
Of those, indexed in 2026
62
Added in October
18
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 19 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
5,016 results · Healthcare disclosures. Clear filters
High1 Dec 2025
Abbott Laboratories
Healthcare · Records not stated
Cyber incident investigating potential data exposure
1 Dec 2025
High1 Dec 2025
Exact Sciences / Abbott
Healthcare · Records not stated
Data breach exposed sensitive personal information from at-home diagnostic test users
1 Dec 2025
Critical1 Dec 2025
Essex NHS Trust
Healthcare · 900,000 records
Thousands of NHS patient records stolen in cyber attack, breach disclosed over six months after notification
1 Dec 2025
High1 Dec 2025
South Florida Injury Centers
Healthcare · 1,525 records
Data breach exposed 1,525 individuals' SSNs and medical records (PHI/PII)
1 Dec 2025
Critical1 Dec 2025
Amgen
Healthcare · Records not stated
Cloud data breach exposed patient health information and proprietary data
1 Dec 2025
Critical1 Dec 2025
Medical Billing Company
Healthcare · 1,300,000 records
2025 ransomware attack exposed sensitive protected health data on 1.3 million people, leaked to dark web in June 2026
1 Dec 2025
Critical1 Dec 2025
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing company network breach exposed sensitive patient data affecting 1.26 million people
1 Dec 2025
Critical1 Dec 2025
Healthcare billing company network breach
Healthcare · 1,260,000 records
Healthcare billing company network breach exposed sensitive data of 1.26 million people
1 Dec 2025
Critical1 Dec 2025
Network breach
Healthcare · 1,260,000 records
Network breach exposed sensitive healthcare data affecting 1.26 million people
1 Dec 2025
Critical1 Nov 2025
Change Healthcare
Healthcare · 100,000,000 records
Cybersecurity breach impacting US healthcare operations and claims adjudication
1 Nov 2025
Critical1 Nov 2025
TriZetto Provider Solutions
Healthcare · 3,400,000 records
Unauthorized IT environment access exposed PHI of 3.4M individuals
1 Nov 2025
High1 Nov 2025
Doctor Alliance
Healthcare · Records not stated
Hacked by threat actor who listed data for sale; second breach by same threat actor
1 Nov 2025
Medium15 Oct 2025
Hello Cake
Healthcare · 22,907 records
22,907 records exposed, Dates of birth, Email addresses, Names, Phone numbers and 2 more
15 Oct 2025
Critical1 Oct 2025
Blue Cross-Blue Shield
Healthcare · Records not stated
Massive data breach; company allegedly knew about breach but delayed reporting
1 Oct 2025
Critical1 Oct 2025
Blue Cross-Blue Shield
Healthcare · Records not stated
Massive data breach; lawsuit alleges company knew but delayed reporting
1 Oct 2025
Critical1 Oct 2025
Blue Cross Blue Shield
Healthcare · Records not stated
Massive data breach affecting state's largest health insurance provider
1 Oct 2025
Critical1 Oct 2025
Blue Cross Blue Shield
Healthcare · Records not stated
Massive data breach of healthcare provider; company allegedly delayed reporting
1 Oct 2025
Critical1 Oct 2025
Unlimited Technology Systems
Healthcare · Records not stated
Revenue cycle management provider breach exposed 3.8 million healthcare patients' information including personal and medical data.
1 Oct 2025
Critical1 Oct 2025
Unlimited Technology Systems
Healthcare · Records not stated
Revenue cycle management provider exposed 3.8 million healthcare patients' information
1 Oct 2025
Critical1 Oct 2025
Unlimited Technology Systems
Healthcare · Records not stated
October 2025 breach exposed 3.8 million healthcare patients' information from revenue cycle management provider
1 Oct 2025
Critical1 Oct 2025
Blue Cross Blue Shield
Healthcare · Records not stated
Massive data breach with allegations company knew about it and delayed reporting
1 Oct 2025
Critical1 Oct 2025
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing company network breach exposed sensitive data affecting 1.26 million people
1 Oct 2025
Critical1 Oct 2025
Network breach
Healthcare · 1,260,000 records
Network breach exposed sensitive data affecting 1.26 million people in healthcare billing
1 Oct 2025
High1 Sep 2025
MedicSolution
Healthcare · Records not stated
Healthcare software company attacked by KillSec ransomware group, exposing patient and healthcare data
1 Sep 2025
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