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
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
Critical21 Aug 2026
SickKids data breach
Healthcare · Records not stated
Toronto's Hospital for Sick Children (SickKids) says a cybersecurity incident exposed the personal information of some current and former employees and job applicants, stemming from a flaw in third-party software.…
21 Aug 2026
High20 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Amar Ćemanović reports: Apple American Group LLC, a major Applebee’s franchise operator in the United States, has disclosed a data breach incident. The event has reportedly exposed sensitive personal information…
20 Aug 2026
Critical19 Aug 2026
Organisation not named
Healthcare · 3,700,000 records
The disclosure as indexed does not name the organisation.
Healthcare software firm CareCloud filed documents with the Department of Health and Human Services confirming that 3,756,469 people had information leaked after a hacker spent eight hours in one of the company’s…
19 Aug 2026
Critical19 Aug 2026
UnitedHealthcare
Healthcare · Records not stated
Millions of patients' health and insurance information exposed in 2024 cyberattack
19 Aug 2026
Critical19 Aug 2026
MCBS
Healthcare · 1,200,000 records
Medical business management company suffered data breach affecting 1.2 million individuals
19 Aug 2026
Critical19 Aug 2026
Conduent
Healthcare · 62,200,000 records
Healthcare company breach affecting 62.2 million people, third-largest US health hack
19 Aug 2026
Critical19 Aug 2026
MCBS
Healthcare · 1,200,000 records
Medical business management company data breach affecting 1.2 million individuals
19 Aug 2026
High17 Aug 2026
Major genetic-testing firm
Healthcare · Records not stated
The June breach, which also exposed employees’ information, underscored the supply-chain risks facing the healthcare sector.
17 Aug 2026
Critical15 Aug 2026
PIH Health
Healthcare · 2,950,000 records
2024 hacking incident affected 2.95M patients; ransomware attack on healthcare provider
15 Aug 2026
Critical15 Aug 2026
Star Health
Healthcare · Records not stated
Indian health insurer suffered data breach; hacker leaked sensitive personal data of customers
15 Aug 2026
Critical15 Aug 2026
UnitedHealthcare
Healthcare · Records not stated
Cyberattack exposed sensitive health and insurance data from millions of patients
15 Aug 2026
High15 Aug 2026
Cerner
Healthcare · Records not stated
2025 breach of healthcare patient data leading to lawsuits from affected hospital systems
15 Aug 2026
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