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

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
Medium2 Feb 2023
Tallahassee Memorial HealthCare
Healthcare · 20,000 records
20K patient records exposed in ransomware
2 Feb 2023
High2 Feb 2023
Cardiovascular Associates
Healthcare · 441,000 records
441K patient records exposed in Karakurt ransomware
2 Feb 2023
Critical2 Feb 2023
Community Health Systems (GoAnywhere)
Healthcare · 1,000,000 records
1M patient records exposed in Fortra GoAnywhere MFT vulnerability
2 Feb 2023
Critical1 Feb 2023
GoodRx (FTC fine)
Healthcare · 1,500,000 records
$1.5M FTC fine for sharing health data, 1.5M users affected
1 Feb 2023
Critical1 Feb 2023
GoodRx
Healthcare · 1,500,000 records
1.5M user prescription data shared with Facebook via tracking pixel
1 Feb 2023
High30 Jan 2023
Brightline / Fortra
Healthcare · Records not stated
964K pediatric mental health records exposed
30 Jan 2023
Medium19 Jan 2023
WellPet LLC
Healthcare · 35,000 records
35K records exposed
19 Jan 2023
High10 Jan 2023
BC Cancer Agency
Healthcare · Records not stated
Employee data and some patient info exposed
10 Jan 2023
Medium8 Jan 2023
Northeast Surgical Group
Healthcare · 15,000 records
15K patient records exposed
8 Jan 2023
Medium6 Jan 2023
Rush University Medical Center
Healthcare · 45,000 records
45K patient records exposed in vendor breach
6 Jan 2023
Critical5 Jan 2023
NextGen Healthcare
Healthcare · 1,000,000 records
1M patient records exposed in BlackCat ransomware attack
5 Jan 2023
High29 Dec 2022
CentraState Healthcare
Healthcare · 617,000 records
617K patient records exposed in ransomware
29 Dec 2022
Critical18 Dec 2022
SickKids Hospital
Healthcare · Records not stated
Ransomware attack disrupted clinical operations and phone lines
18 Dec 2022
High18 Dec 2022
Toronto SickKids Hospital
Healthcare · Records not stated
LockBit ransomware hit children's hospital, clinical and corporate systems impacted
18 Dec 2022
Medium14 Dec 2022
St. Rose Hospital
Healthcare · 42,000 records
42K patient records exposed
14 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
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