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.

5,071 results · Healthcare disclosures. Clear filters

Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
High16 Jun 2023
HUB International
Healthcare · Records not stated
280K insurance client records exposed
16 Jun 2023
High14 Jun 2023
Humber River Hospital (Toronto)
Healthcare · Records not stated
Daixin Team ransomware targeted hospital systems, patient records at risk
14 Jun 2023
Critical12 Jun 2023
CoWIN Portal (India)
Healthcare · Records not stated
150M citizen vaccination records allegedly leaked from India's COVID platform
12 Jun 2023
High8 Jun 2023
Hill Physicians Medical Group
Healthcare · Records not stated
306K member records exposed
8 Jun 2023
High7 Jun 2023
Encompass Health
Healthcare · 160,000 records
160K patient records exposed in data breach
7 Jun 2023
High3 Jun 2023
Eisai Pharmaceuticals (Japan)
Healthcare · Records not stated
LockBit ransomware encrypted servers at global pharma company
3 Jun 2023
High2 Jun 2023
Harris Health System
Healthcare · 224,000 records
224K patient records exposed in vendor breach
2 Jun 2023
Critical1 Jun 2023
Welltok
Healthcare · 14,760,000 records
MOVEit Transfer vulnerability exposed 14.76 million patient health records
1 Jun 2023
Critical1 Jun 2023
Welltok
Healthcare · 14,760,000 records
MOVEit Transfer breach exposed 14.76 million individuals' healthcare and personal data
1 Jun 2023
High1 Jun 2023
Nova Scotia Health Authority
Healthcare · Records not stated
MOVEit vulnerability exposed personal data of 100,000 employees across NS healthcare
1 Jun 2023
Medium1 Jun 2023
Aultman Health Foundation
Healthcare · 7,000 records
7K patient records exposed
1 Jun 2023
High31 May 2023
310K patient records exposed
Healthcare · 310,000 records
310K patient records exposed
31 May 2023
Critical31 May 2023
4M patient Medicaid records exposed
Healthcare · 4,000,000 records
4M patient Medicaid records exposed
31 May 2023
High31 May 2023
310K patient records exposed
Healthcare · 310,000 records
310K patient records exposed
31 May 2023
Critical31 May 2023
4M patient Medicaid records exposed
Healthcare · 4,000,000 records
4M patient Medicaid records exposed
31 May 2023
High31 May 2023
310K patient records exposed
Healthcare · 310,000 records
310K patient records exposed
31 May 2023
Critical31 May 2023
4M patient Medicaid records exposed
Healthcare · 95,000,000 records
4M patient Medicaid records exposed
31 May 2023
High31 May 2023
310K patient records exposed
Healthcare · 310,000 records
310K patient records exposed
31 May 2023
Critical31 May 2023
4M patient Medicaid records exposed
Healthcare · 4,000,000 records
4M patient Medicaid records exposed
31 May 2023
High31 May 2023
310K patient records exposed
Healthcare · 310,000 records
310K patient records exposed
31 May 2023
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