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 May 2026
Huntsville Hospital Health System
Healthcare · Records not stated
Patient personal health information compromised in third-party vendor breach
1 May 2026
Critical1 May 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patients exposed in PEAR ransomware attack on medical billing company
1 May 2026
High1 May 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Medical records including Medicare numbers and pathology results exposed on dark web
1 May 2026
High1 May 2026
Exact Sciences / Abbott
Healthcare · Records not stated
Patient personal information exposed through at-home diagnostic tests
1 May 2026
High1 May 2026
The Oncology Institute
Healthcare · Records not stated
Patient data potentially exposed through third-party vendor breach detected by Kroll administrator
1 May 2026
High1 May 2026
Australian Medical Clinics (Partnered)
Healthcare · Records not stated
Cyberattack exposed Medicare numbers, treatment details, and pathology results
1 May 2026
Critical1 May 2026
Partnered Health (Australian clinics)
Healthcare · Records not stated
Data breach exposed Medicare numbers, treatment details, and pathology results; records could be sold on dark web
1 May 2026
High1 May 2026
Organisation not named
Healthcare · 13,000 records
The disclosure as indexed does not name the organisation.
Hospital patient records for ~13,000 patients exposed via cyberattack on law firm
1 May 2026
Critical1 May 2026
Partnered clinics (Australian)
Healthcare · Records not stated
Data breach exposed patients' medical records including Medicare numbers, treatment details and pathology results
1 May 2026
Critical1 May 2026
Partnered Australian Clinics
Healthcare · Records not stated
Data breach exposed Medicare numbers, treatment details and pathology results; records could be sold on dark web
1 May 2026
High1 May 2026
Partnered Health
Healthcare · Records not stated
Cyber-attack exposed Medicare numbers, treatment details and pathology results from Australian clinics
1 May 2026
Critical1 May 2026
Synnovis
Healthcare · 900,000 records
Thousands of patient records from NHS trust in Essex stolen during major ransomware attack
1 May 2026
Critical1 May 2026
Radiology Associates of Richmond
Healthcare · 266,000 records
266,000 people affected, protected health information compromised
1 May 2026
High1 May 2026
Valley Kidney Specialists
Healthcare · Records not stated
Personal and health information of patients exposed in data breach
1 May 2026
Critical1 May 2026
PEAR ransomware attack
Healthcare · 1,260,000 records
PEAR ransomware attack exposed data for 1.26 million patients at healthcare billing company
1 May 2026
High1 May 2026
Atrium Health Navicent
Healthcare · Records not stated
Patient records system breach exposing patient records and personal information
1 May 2026
Critical1 May 2026
NYC Health + Hospitals
Healthcare · 1,800,000 records
Hackers stole medical data, fingerprints, and biometric scans affecting 1.8 million people
1 May 2026
High1 Apr 2026
Heart South Cardiovascular Group
Healthcare · 46,666 records
46,666 patients affected, personal and health information exposed
1 Apr 2026
High1 Apr 2026
Legend Senior Care
Healthcare · Records not stated
Ransomware attack on senior care provider
1 Apr 2026
High1 Apr 2026
Windward Life Care
Healthcare · Records not stated
Ransomware attack on senior care provider in California
1 Apr 2026
High1 Apr 2026
Heart South Cardiovascular Group
Healthcare · 46,666 records
Data breach affects 46,666 patients, exposing personal and health information
1 Apr 2026
High1 Apr 2026
Legend Senior Care
Healthcare · Records not stated
Senior care provider affected by ransomware attack with data security incident
1 Apr 2026
High1 Apr 2026
Windward Life Care
Healthcare · Records not stated
Senior care provider in California affected by ransomware attack with data security incident
1 Apr 2026
High1 Apr 2026
Veradigm
Healthcare · Records not stated
Electronic health record company had customer data stolen after vendor system infiltration
1 Apr 2026
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