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
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
Medium30 Aug 2026
Abigail Ham
Healthcare · Records not stated
Abigail Ham reports: The U.S. Department of Veteran’s Affairs says some veterans getting services through the White River Junction, Vt. healthcare system may have had their personal information exposed in an…
30 Aug 2026
Critical29 Aug 2026
PEAR
Healthcare · Records not stated
SuspectFile reports: A cyberattack against a Texas healthcare organization allegedly resulted in the exfiltration of approximately 1.4 TB of data, according to claims made by the ransomware group PEAR. The alleged…
29 Aug 2026
Critical29 Aug 2026
McKesson is
Healthcare · 284,000,000 records
Lawrence Abrams reports: Healthcare and pharmaceutical distribution giant McKesson has disclosed a cybersecurity incident involving unauthorized access to third-party applications and data theft, with the ShinyHunters…
29 Aug 2026
Critical28 Aug 2026
McKesson
Healthcare · 284,000,000 records
Healthcare and pharmaceutical distribution giant McKesson has disclosed a cybersecurity incident involving unauthorized access to third-party applications and data theft, with the ShinyHunters extortion group claiming…
28 Aug 2026
Medium28 Aug 2026
Matt Trewern
Healthcare · Records not stated
Matt Trewern reports on another charity hit by the Beacon CRM data breach that affected more than 1,000 charities and non-profits: People using an HIV charity have been told their “sensitive and personal”…
28 Aug 2026
Medium26 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
The company released a statement and filed documents with the Securities and Exchange Commission (SEC) saying a cybersecurity incident was discovered on Tuesday.
26 Aug 2026
Medium26 Aug 2026
Boston Scientific
Healthcare · Records not stated
Medical technology company Boston Scientific has been targeted in a cyberattack that disrupted some of its IT systems, causing operational disruptions globally.
26 Aug 2026
Medium26 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Nutex Health has informed the SEC that it recently detected unauthorized access and data exfiltration.
The post Sensitive Information Exposed in Nutex Health Data Breach appeared first on SecurityWeek.
26 Aug 2026
Medium25 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
The Los Angeles County Museum of Art (LACMA) has announced that a breach last year exposed customer and employee information.
25 Aug 2026
Critical25 Aug 2026
Hospital operator Nutex Health
Healthcare · Records not stated
Healthcare and services provider Nutex is investigating a data breach incident where an unauthorized third party exfiltrated information from company servers.
25 Aug 2026
Critical23 Aug 2026
MCBS
Healthcare · 1,200,000 records
Data breach affecting 1.2M individuals at Atlanta-based medical business management company
23 Aug 2026
Medium22 Aug 2026
Connecticut
Healthcare · Records not stated
WSFB reports: State officials say a data breach involving the Connecticut Medicaid program’s provider portal exposed payment and claims information tied to roughly 41,000 HUSKY Health members. The Connecticut…
22 Aug 2026
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