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.

5,582
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

High12 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Third-party vendor breach compromised patient data at Huntsville Hospital Health System, leading to class action lawsuit
12 Aug 2026
Critical12 Aug 2026
MCBS
Healthcare · 1,200,000 records
Medical business management company breach exposed over 1.2 million individuals' data
12 Aug 2026
High12 Aug 2026
VITAS Hospice Services
Healthcare · 319,000 records
319K patient records accessed via vendor account
12 Aug 2026
Critical12 Aug 2026
Blue Cross-Blue Shield
Healthcare · Records not stated
Massive data breach; Montana insurance commissioner investigation announced for failure to report breach promptly.
12 Aug 2026
High12 Aug 2026
Craneware
Healthcare · Records not stated
Hospital software vendor supply-chain attack exposed healthcare customer data
12 Aug 2026
High12 Aug 2026
Cure Dental
Healthcare · Records not stated
Dental provider data breach exposed personally identifiable information of current and former patients
12 Aug 2026
High12 Aug 2026
Clover Health
Healthcare · Records not stated
Health insurer data breach disclosed in securities filing; data type and impact unknown
12 Aug 2026
Critical12 Aug 2026
NYC Health Hospitals
Healthcare · 1,800,000 records
1.8M patient biometrics and SSNs exfiltrated
12 Aug 2026
Critical12 Aug 2026
TriZetto Healthcare Revenue Tech
Healthcare · 3,400,000 records
3.4M patient records stolen
12 Aug 2026
High12 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Patient data compromised through vendor breach, third-party data exposure
12 Aug 2026
High12 Aug 2026
Adam Haertle
Healthcare · Records not stated
Adam Haertle reports: MyDr has just announced that it is investigating a serious security incident on its network. The alleged perpetrators of this incident contacted us earlier and claimed to have access to patient…
12 Aug 2026
High11 Aug 2026
Clover Health
Healthcare · Records not stated
Health insurer data breach with unknown data type and record count exposed
11 Aug 2026
High11 Aug 2026
Sandhills Medical
Healthcare · Records not stated
Data breach exposed personal information of 78,000+ South Carolina residents
11 Aug 2026
High11 Aug 2026
CareCloud Health Tech
Healthcare · 345,000 records
SSNs and payment data from 345K patients stolen
11 Aug 2026
Critical11 Aug 2026
AnMed Health
Healthcare · Records not stated
Ransomware disrupted hospital systems network-wide
11 Aug 2026
Critical11 Aug 2026
Organisation not named
Healthcare · 1,200,000 records
The disclosure as indexed does not name the organisation.
Ransomware attack exposing personal data of 1.2 million individuals
11 Aug 2026
High11 Aug 2026
Clover Health
Healthcare · Records not stated
Health insurer data breach disclosed in securities filing, data type and scope unknown
11 Aug 2026
High11 Aug 2026
Craneware
Healthcare · Records not stated
Healthcare software vendor breached via supply-chain attack, customer data exposed
11 Aug 2026
High11 Aug 2026
Abbott Laboratories
Healthcare · Records not stated
Vishing attack compromised employee credentials
11 Aug 2026
Critical11 Aug 2026
CareCloud Health Tech
Healthcare · 345,000 records
345K patient SSNs and payment data exfiltrated
11 Aug 2026
Critical11 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
The hackers claimed to have exfiltrated 6 terabytes of data, including highly sensitive health information like records related to sexual assault, mental health, abortions and sexual harassment incidents.
11 Aug 2026
Critical11 Aug 2026
Ransomware attack in 2025
Healthcare · 1,200,000 records
Ransomware attack in 2025 exposed personal data of 1.2 million people
11 Aug 2026
High11 Aug 2026
Craneware
Healthcare · Records not stated
Healthcare software vendor data breach exposing customer data in supply-chain attack
11 Aug 2026
Critical11 Aug 2026
VITAS Hospice Services
Healthcare · 319,000 records
319K patient records stolen via vendor account
11 Aug 2026
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