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.
5,299
Disclosures in the tracker, all years
2,012
Of those, indexed in 2026
58
Added in October
14
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.
4,964 results · Healthcare disclosures. Clear filters
High1 Apr 2026
Laurel Eye Clinic
Healthcare · Records not stated
Security incident exposed patient data in ransomware attack
1 Apr 2026
High1 Apr 2026
Valley Kidney Specialists
Healthcare · Records not stated
Data breach compromised personal and health information of patients
1 Apr 2026
Critical1 Apr 2026
UK BioBank
Healthcare · Records not stated
Confidential health records from 500k Britons exposed and offered for sale on Chinese website
1 Apr 2026
High1 Apr 2026
Data breach
Healthcare · Records not stated
Data breach exposed SSNs and medical records of patients
1 Apr 2026
High1 Apr 2026
Heart South Cardiovascular Group
Healthcare · 46,666 records
Data breach affected 46,666 patients, exposing personal and health records
1 Apr 2026
High1 Apr 2026
Sandhills Medical Foundation
Healthcare · 170,000 records
Ransomware breach affecting 170,000 individuals in South Carolina
1 Apr 2026
High1 Apr 2026
Huntsville Hospital Health System
Healthcare · Records not stated
Third-party data breach compromised patient information
1 Apr 2026
High1 Apr 2026
Legend Senior Care
Healthcare · Records not stated
Senior care provider affected by ransomware attack exposing patient data
1 Apr 2026
High1 Apr 2026
Windward Life Care
Healthcare · Records not stated
Senior care provider affected by ransomware attack exposing patient data
1 Apr 2026
High1 Apr 2026
South Florida Injury Centers
Healthcare · 1,525 records
1,525 individuals affected; SSNs and medical records exposed
1 Apr 2026
Critical1 Apr 2026
UK Biobank
Healthcare · Records not stated
Confidential health records exposed online and advertised for sale on Chinese website
1 Apr 2026
Critical1 Mar 2026
UK BioBank
Healthcare · Records not stated
Confidential health records from medical research project leaked online multiple times
1 Mar 2026
High1 Mar 2026
CareCloud
Healthcare · Records not stated
Electronic health records of patients leaked after unauthorized system access
1 Mar 2026
Critical1 Mar 2026
UK BioBank
Healthcare · Records not stated
Confidential health records from flagship medical research project leaked and exposed online multiple times
1 Mar 2026
Critical1 Mar 2026
UK BioBank
Healthcare · Records not stated
Confidential health records from medical research project exposed online, leaked dozens of times
1 Mar 2026
Critical1 Mar 2026
Trizetto Provider Solutions
Healthcare · 3,400,000 records
Unauthorized IT environment access exposing PHI of 3.4 million individuals
1 Mar 2026
Critical1 Mar 2026
CareCloud
Healthcare · Records not stated
Healthcare software firm informed SEC of potential patient data leak after hackers accessed electronic health records systems
1 Mar 2026
Critical1 Mar 2026
GuardDog Telehealth
Healthcare · Records not stated
Telehealth company illegally accessed patients' medical records under guise of treatment and sold to law firms
1 Mar 2026
Critical1 Mar 2026
CareCloud
Healthcare · Records not stated
Hackers gained access to systems, potential leak of electronic health records
1 Mar 2026
Critical1 Mar 2026
Ransomware attack leading to data
Healthcare · Records not stated
Ransomware attack leading to data leak including driver's license numbers and voter IDs
1 Mar 2026
Critical1 Mar 2026
UK Biobank
Healthcare · Records not stated
Confidential health records exposed online and offered for sale on Chinese website
1 Mar 2026
Critical1 Mar 2026
UK Biobank
Healthcare · Records not stated
Confidential health records from flagship medical research project leaked multiple times and exposed online
1 Mar 2026
High1 Mar 2026
UK Biobank
Healthcare · Records not stated
Confidential health records from medical research project exposed online and offered for sale on Chinese website
1 Mar 2026
Critical1 Mar 2026
PIH Health
Healthcare · 2,950,000 records
2024 hacking incident notifying 2.95 million patients
1 Mar 2026
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