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
Critical6 Mar 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Patient genomic data published after hospital refused EUR 4.5M ransom
6 Mar 2023
Critical6 Mar 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Patient genomic data published after hospital refused EUR 4.5M ransom
6 Mar 2023
Critical6 Mar 2023
8.9M patient records exposed in LockBit ransomware attack
Healthcare · 8,900,000 records
8.9M patient records exposed in LockBit ransomware attack
6 Mar 2023
Critical5 Mar 2023
Hospital Clinic de Barcelona
Healthcare · Records not stated
RansomHouse stole 4.5TB of patient data from major Barcelona hospital
5 Mar 2023
High2 Mar 2023
Sun Pharma (India)
Healthcare · Records not stated
ALPHV/BlackCat ransomware disrupted operations at India's largest pharma company
2 Mar 2023
Critical2 Mar 2023
BetterHelp
Healthcare · 7,000,000 records
7M user mental health records shared with advertisers
2 Mar 2023
High2 Mar 2023
MultiCare Health System
Healthcare · 170,000 records
170K patient records exposed in vendor breach
2 Mar 2023
Critical1 Mar 2023
Cerebral
Healthcare · 3,200,000 records
3.2M patient records shared with third-party advertisers
1 Mar 2023
Critical22 Feb 2023
PurFoods / Mom's Meals
Healthcare · 1,240,000 records
1.24M client records exposed in ransomware at meal delivery service
22 Feb 2023
High15 Feb 2023
90 Degree Benefits
Healthcare · Records not stated
175K member records exposed in data breach
15 Feb 2023
High14 Feb 2023
14 Feb 2023
Medium12 Feb 2023
12 Feb 2023
High8 Feb 2023
CIUSSS du Centre-Sud (Montreal)
Healthcare · 3,600 records
3,600 patient records accessed by unauthorized employee
8 Feb 2023
Critical7 Feb 2023
NationsBenefits
Healthcare · Records not stated
3.04M member records exposed in Fortra GoAnywhere breach
7 Feb 2023
High6 Feb 2023
Lehigh Valley Health Network
Healthcare · 135,000 records
135K patient records and clinical images leaked by BlackCat ransomware
6 Feb 2023
Critical6 Feb 2023
Monument / Tempest (telehealth)
Healthcare · 2,500,000 records
2.5M patient records shared via tracking pixels on mental health platform
6 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Were you affected?