Weekly briefing No. 42 published 30 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.

5,367
Disclosures in the tracker, all years
2,083
Of those, indexed in 2026
0
Added in November
22
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 1 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

5,604 results · Healthcare disclosures. Clear filters

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
High1 Apr 2026
Heart South Cardiovascular Group
Healthcare · 46,666 records
Data breach exposed personal and health records of approximately 46,666 patients.
1 Apr 2026
Critical1 Apr 2026
UK Biobank
Healthcare · Records not stated
De-identified health records of 500,000+ Britons offered for sale on Chinese website
1 Apr 2026
High1 Apr 2026
Legend Senior Care
Healthcare · Records not stated
Ransomware attack disclosed affecting senior care provider
1 Apr 2026
High1 Apr 2026
Windward Life Care
Healthcare · Records not stated
Ransomware attack disclosed affecting senior care provider in California
1 Apr 2026
High1 Apr 2026
Legend Senior Care
Healthcare · Records not stated
Senior care provider affected by ransomware attack, data security incident disclosed
1 Apr 2026
High1 Apr 2026
Windward Life Care
Healthcare · Records not stated
Senior care provider affected by ransomware attack, data security incident disclosed
1 Apr 2026
High1 Apr 2026
Heart South Cardiovascular Group
Healthcare · 46,666 records
Data breach affected 46,666 patients, exposing personal and health information
1 Apr 2026
Critical1 Apr 2026
UK Biobank
Healthcare · Records not stated
Private health records of 500,000 Britons offered for sale on Chinese website (Alibaba)
1 Apr 2026
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