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.
5,301
Disclosures in the tracker, all years
2,016
Of those, indexed in 2026
67
Added in October
19
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 19 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
5,016 results · Healthcare disclosures. Clear filters
High1 Aug 2024
Unauthorized email access
Healthcare · Records not stated
Unauthorized email access exposed SSNs and medical records from Aug 2024 to Nov 2024, undiscovered for over a year
1 Aug 2024
Medium3 Jul 2024
3 Jul 2024
High1 Jul 2024
Government-run healthcare testing lab network battling ransomware attack
Healthcare · Records not stated
Government-run healthcare testing lab network battling ransomware attack
1 Jul 2024
High1 Jul 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
South Africa's government healthcare lab network impacted by ransomware attack
1 Jul 2024
Critical1 Jul 2024
Government-run healthcare laboratory network
Healthcare · Records not stated
Government-run healthcare laboratory network hit by ransomware attack
1 Jul 2024
Critical1 Jul 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack on South Africa's government-run healthcare testing laboratory network
1 Jul 2024
Critical1 Jul 2024
MCBS
Healthcare · 1,200,000 records
Medical business management company breach affecting 1.2 million individuals
1 Jul 2024
High15 Jun 2024
Pacific Alliance Medical Center
Healthcare · 267,000 records
267K patient records exposed in ransomware
15 Jun 2024
Critical6 Jun 2024
6 Jun 2024
High5 Jun 2024
MedStar Health (2024)
Healthcare · 183,000 records
183K patient records exposed in second incident
5 Jun 2024
Critical3 Jun 2024
Synnovis NHS Pathology
Healthcare · 900,000 records
Qilin ransomware disrupted blood testing for London hospitals, 3,166 appointments cancelled
3 Jun 2024
High1 Jun 2024
Bedfordshire Hospital
Healthcare · Records not stated
Patient names, NHS numbers and test results hacked in 2024 cyber attack
1 Jun 2024
High1 Jun 2024
Bedfordshire Hospital
Healthcare · Records not stated
Patient data including names, NHS numbers and test results compromised in cyber attack.
1 Jun 2024
Critical1 Jun 2024
Bedfordshire Hospital
Healthcare · Records not stated
Patient names, NHS numbers, and test results exposed in cyber attack
1 Jun 2024
High1 Jun 2024
Partnered Health Clinics (Australia)
Healthcare · Records not stated
Cyber-attack exposed Medicare numbers, treatment details, and pathology results
1 Jun 2024
Critical1 Jun 2024
PEAR ransomware attack
Healthcare · 1,260,000 records
PEAR ransomware attack exposed 1.26 million patient records at healthcare billing and practice management company
1 Jun 2024
High1 Jun 2024
1 Jun 2024
Medium21 May 2024
21 May 2024
Critical16 May 2024
MediSecure (Australia)
Healthcare · Records not stated
E-prescriptions provider breach, 12.9M Australian patient prescription records stolen
16 May 2024
High9 May 2024
9 May 2024
Critical8 May 2024
Ascension Health
Healthcare · 5,600,000 records
5.6M patient records compromised in Black Basta ransomware across 140 hospitals
8 May 2024
High5 May 2024
5 May 2024
Medium2 May 2024
2 May 2024
High1 May 2024
First Nations Health Authority
Healthcare · Records not stated
Attack by INC ransomware group detected and interrupted
1 May 2024
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