Disclosure tracker › Healthcare disclosures
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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.
5,337
Disclosures in the tracker, all years
2,050
Of those, indexed in 2026
104
Added in October
24
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 24 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
5,219 results · Healthcare disclosures. Clear filters
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
18 Nov 2022
High15 Nov 2022
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
5 Nov 2022
Medium1 Nov 2022
1 Nov 2022
Medium18 Oct 2022
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
Medium15 Oct 2022
15 Oct 2022
Critical13 Oct 2022
Medibank (ahm Health Insurance)
Healthcare · 2,800,000 records
ahm subsidiary of Medibank, 2.8M records compromised in same incident
13 Oct 2022
Critical13 Oct 2022
Medibank (9.7M Records)
Healthcare · 9,700,000 records
9.7M customer records stolen by REvil, medical claims data published on dark web
13 Oct 2022
Medium12 Oct 2022
12 Oct 2022
High10 Oct 2022
10 Oct 2022
Medium9 Oct 2022
9 Oct 2022
High7 Oct 2022
Apollo Hospitals (India)
Healthcare · Records not stated
Ransomware disrupted hospital operations, patient data at risk
7 Oct 2022
High7 Oct 2022
7 Oct 2022
Medium4 Oct 2022
4 Oct 2022
High3 Oct 2022
CommonSpirit (2023 update)
Healthcare · 623,000 records
623K patient records, $160M in costs from ransomware
3 Oct 2022
Medium3 Oct 2022
3 Oct 2022
High3 Oct 2022
CommonSpirit Health
Healthcare · 623,000 records
623K patient records exposed in ransomware attack across 150 facilities
3 Oct 2022
Medium1 Oct 2022
1 Oct 2022
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