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.
5,287
Disclosures in the tracker, all years
2,001
Of those, indexed in 2026
49
Added in October
9
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 17 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
4,911 results · Healthcare disclosures. Clear filters
Medium12 Oct 2026
Sharecare
Healthcare · 318,185 records
318,185 records exposed, Dates of birth, Email addresses, Employers, Genders and 6 more
12 Oct 2026
Critical1 Oct 2026
BCHP and XTIUM
Healthcare · Records not stated
Medical data breach exposed SSNs of 62,871 CT and 825,000 NY residents; $2.7M settlement
1 Oct 2026
Critical1 Oct 2026
Oracle Health (Cerner)
Healthcare · 20,000,000 records
Nearly 20 million patient records exposed across 80 U.S. hospitals
1 Oct 2026
Medium30 Sep 2026
Medela
Healthcare · 423,947 records
423,947 records exposed, Email addresses, Employers, Job titles, Names and 4 more
30 Sep 2026
Critical28 Sep 2026
Labcorp
Healthcare · 10,000,000 records
2019 data breach affected approximately 10 million people; settled with 40 states for $2.2 million
28 Sep 2026
High28 Sep 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Hackers stole personal data from a Polish healthcare software provider in the latest cyberattack to hit the country’s medical sector in recent months.
28 Sep 2026
Medium26 Sep 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Polish healthcare entities have been the victims of cyberattacks recently. First, it was the MyDr system. Now it’s a software manufacturer that markets the Medyc software used by Polish healthcare providers.…
26 Sep 2026
High25 Sep 2026
Woodfords Family Services
Healthcare · Records not stated
Patient and family data compromised in 2024 ransomware attack
25 Sep 2026
High25 Sep 2026
Covenant Health
Healthcare · 480,000 records
Data breach impacts nearly 480,000 individuals
25 Sep 2026
Critical25 Sep 2026
US Healthcare Provider (CHC)
Healthcare · 1,000,000 records
Data breach impacting 1 million patients exposed
25 Sep 2026
Critical25 Sep 2026
Welltok
Healthcare · 14,760,000 records
MOVEit Transfer vulnerability exploitation exposed 14.76 million individuals' patient data
25 Sep 2026
Critical25 Sep 2026
Ransomware attack
Healthcare · 1,200,000 records
Ransomware attack exposed personal data of 1.2 million individuals
25 Sep 2026
Critical24 Sep 2026
Organisation not named
Healthcare · 1,200,000 records
The disclosure as indexed does not name the organisation.
2025 ransomware attack exposed personal data of 1.2 million individuals
24 Sep 2026
Critical24 Sep 2026
UnitedHealthcare
Healthcare · Records not stated
2024 cyberattack exposed sensitive data from millions of patients including health and insurance information.
24 Sep 2026
High24 Sep 2026
AnMed
Healthcare · Records not stated
Cyberattack on nonprofit health system forced facility closures and limited operational capacity
24 Sep 2026
High23 Sep 2026
Centers Laboratory
Healthcare · 540,000 records
Data breach affecting 540,000 individuals
23 Sep 2026
High23 Sep 2026
Covenant Health
Healthcare · 480,000 records
Nearly 480,000 people impacted in data breach
23 Sep 2026
Critical23 Sep 2026
Ransomware attack
Healthcare · 1,200,000 records
Ransomware attack exposed personal data of 1.2 million individuals
23 Sep 2026
High23 Sep 2026
Bedfordshire Hospital
Healthcare · Records not stated
Cyber attack exposed patient names, NHS numbers and test results
23 Sep 2026
High23 Sep 2026
Essex NHS Trust
Healthcare · 900,000 records
NHS trust breach compromised thousands of patient records, disclosed over 6 months after notification
23 Sep 2026
High22 Sep 2026
Woodfords Family Services
Healthcare · Records not stated
Ransomware attack affecting patients and families in 2024
22 Sep 2026
High22 Sep 2026
Covenant Health
Healthcare · 480,000 records
Data breach impacts nearly 480,000 people
22 Sep 2026
Critical22 Sep 2026
CHC
Healthcare · 1,000,000 records
US healthcare provider breach impacts 1 million patients
22 Sep 2026
High22 Sep 2026
Novocure
Healthcare · Records not stated
Data breach affects more than 1,400 cancer patients
22 Sep 2026
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