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.
5,582
Disclosures in the tracker, all years
2,082
Of those, indexed in 2026
146
Added in October
21
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 31 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
5,552 results · Healthcare disclosures. Clear filters
High1 Sep 2026
Elixir Medical
Healthcare · Records not stated
Employee and dependent data breach exposing SSNs, financial details, and PII
1 Sep 2026
Critical1 Sep 2026
McKesson
Healthcare · 284,000,000 records
Data breach confirmed with 284 million records stolen by ShinyHunters including PII and PHI
1 Sep 2026
High1 Sep 2026
Elixir Medical
Healthcare · Records not stated
Data breach exposing SSNs, financial details and PII of current and former employees and dependents
1 Sep 2026
Critical1 Sep 2026
Breach
Healthcare · 727,000 records
Breach exposed 727,000 patient and contact records; CNIL fined €500,000
1 Sep 2026
Critical1 Sep 2026
Veradigm
Healthcare · 3,500,000 records
3.5M patient records stolen in ransomware attack
1 Sep 2026
High1 Sep 2026
Healthcare cybersecurity incident affecting hospital operations
Healthcare · Records not stated
Healthcare cybersecurity incident affecting hospital operations
1 Sep 2026
Critical1 Sep 2026
Veradigm
Healthcare · 3,500,000 records
3.5 million patient records stolen by Gentlemen ransomware gang
1 Sep 2026
High1 Sep 2026
Healthcare cybersecurity incident; cyberattack on hospital systems
Healthcare · Records not stated
Healthcare cybersecurity incident; cyberattack on hospital systems
1 Sep 2026
Critical1 Sep 2026
Organisation not named
Healthcare · 727,000 records
The disclosure as indexed does not name the organisation.
727,000 patient and contact records exposed; resulted in €500K CNIL fine
1 Sep 2026
Critical1 Sep 2026
Veradigm
Healthcare · 3,500,000 records
Patient data breach with 3.5 million records stolen by Gentlemen ransomware gang
1 Sep 2026
High1 Sep 2026
Luminis Health
Healthcare · Records not stated
Cybersecurity incident affecting Anne Arundel County hospital
1 Sep 2026
High1 Sep 2026
Elixir Medical
Healthcare · Records not stated
PHI and PII of current and former employees exposed including SSNs and financial details
1 Sep 2026
Critical1 Sep 2026
Veradigm
Healthcare · 3,500,000 records
The Gentlemen ransomware gang claimed theft of 3.5 million patient records
1 Sep 2026
High1 Sep 2026
Luminis
Healthcare · Records not stated
Healthcare cybersecurity incident affecting Anne Arundel County hospital patient data
1 Sep 2026
High1 Sep 2026
Elixir Medical
Healthcare · Records not stated
Employee and dependent PHI and PII exposed including SSNs and financial details
1 Sep 2026
Critical1 Sep 2026
Lumexa Imaging
Healthcare · 5,800,000 records
Diagnostic imaging service data breach affected 5.8M individuals via vendor compromise
1 Sep 2026
Critical1 Sep 2026
Veradigm
Healthcare · 3,500,000 records
Patient data breach confirmed with 3.5M records stolen by The Gentlemen ransomware gang
1 Sep 2026
High1 Sep 2026
Novocure
Healthcare · Records not stated
Cyberattack exposed US patient records through unauthorized access to information systems
1 Sep 2026
High1 Sep 2026
Luminis Health
Healthcare · Records not stated
Cybersecurity incident at Anne Arundel County hospital, healthcare data compromised
1 Sep 2026
High1 Sep 2026
Elixir Medical
Healthcare · Records not stated
PHI and PII of employees and dependents exposed, including SSNs and financial details
1 Sep 2026
Critical1 Sep 2026
AdaptHealth
Healthcare · 4,099,999 records
Personal, health, and insurance information of 4.1 million people stolen
1 Sep 2026
Critical1 Sep 2026
Aesto Health
Healthcare · 9,500,000 records
Aesto LLC, operating as Aesto Health, disclosed that a data breach discovered recently affects more than 9.5 million individuals.
1 Sep 2026
High1 Sep 2026
Healthcare facilities operator Nutex
Healthcare · Records not stated
Cybercriminals breached company data and made an extortion attempt with it, Houston-based Nutex Health said in a filing with federal regulators.
1 Sep 2026
Critical1 Sep 2026
The company has
Healthcare · Records not stated
The company has notified the SEC that hackers accessed patient, employee, provider, business, and financial information.
The post Ransomware Gang Claims Nutex Health Data Breach appeared first on SecurityWeek.
1 Sep 2026
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