Weekly briefing No. 41 published 4 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.

5,314
Disclosures in the tracker, all years
2,028
Of those, indexed in 2026
76
Added in October
21
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 21 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

5,069 results · Healthcare disclosures. Clear filters

High7 Dec 2022
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Data breach through Mercury IT affected 450,000 NZ health consumer records
7 Dec 2022
High7 Dec 2022
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Data breach through Mercury IT affected 450,000 NZ health consumer records
7 Dec 2022
High7 Dec 2022
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Data breach through Mercury IT affected 450,000 NZ health consumer records
7 Dec 2022
High7 Dec 2022
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Data breach through Mercury IT affected 450,000 NZ health consumer records
7 Dec 2022
High7 Dec 2022
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Data breach through Mercury IT affected 450,000 NZ health consumer records
7 Dec 2022
High7 Dec 2022
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Data breach through Mercury IT affected 450,000 NZ health consumer records
7 Dec 2022
High7 Dec 2022
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Data breach through Mercury IT affected 450,000 NZ health consumer records
7 Dec 2022
High7 Dec 2022
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Data breach through Mercury IT affected 450,000 NZ health consumer records
7 Dec 2022
High7 Dec 2022
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Data breach through Mercury IT affected 450,000 NZ health consumer records
7 Dec 2022
High7 Dec 2022
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Data breach through Mercury IT affected 450,000 NZ health consumer records
7 Dec 2022
High7 Dec 2022
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Data breach through Mercury IT affected 450,000 NZ health consumer records
7 Dec 2022
Critical3 Dec 2022
Sanitas (Colombia Healthcare)
Healthcare · Records not stated
Ransomware disrupted 5.5M health plan members' access to medical services
3 Dec 2022
High3 Dec 2022
Centre Hospitalier de Versailles
Healthcare · Records not stated
Ransomware forced hospital to transfer patients, IT systems completely encrypted
3 Dec 2022
Critical1 Dec 2022
Regal Medical Group
Healthcare · 3,300,000 records
3.3M patient records compromised in ransomware incident
1 Dec 2022
Critical23 Nov 2022
AIIMS Delhi (2022)
Healthcare · 40,000,000 records
1.3TB patient records stolen from India's premier hospital, 40M records at risk
23 Nov 2022
High19 Nov 2022
One Brooklyn Health
Healthcare · 235,000 records
235K patient records exposed in ransomware across 3 hospitals
19 Nov 2022
Medium18 Nov 2022
Bayhealth Medical Center
Healthcare · 56,000 records
56K patient records exposed
18 Nov 2022
High15 Nov 2022
LifePoint Health
Healthcare · 130,000 records
130K patient records exposed in data breach
15 Nov 2022
High15 Nov 2022
Horizon Actuarial Services
Healthcare · Records not stated
227K retirement plan member records exposed
15 Nov 2022
Critical9 Nov 2022
Medibank (Private Health)
Healthcare · Records not stated
REvil published customer records sorted by medical conditions on dark web
9 Nov 2022
Medium5 Nov 2022
Anesthesia Associates
Healthcare · 38,000 records
38K patient records exposed
5 Nov 2022
Medium1 Nov 2022
Allied Physicians of Michiana
Healthcare · 94,000 records
94K patient records exposed
1 Nov 2022
Medium18 Oct 2022
ProMedica Health System
Healthcare · 73,000 records
73K patient records exposed
18 Oct 2022
High17 Oct 2022
MedAccess EMR (Canada)
Healthcare · Records not stated
Electronic medical records platform compromised, clinic patient data at risk
17 Oct 2022
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