Weekly briefing No. 42 published 30 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.

5,380
Disclosures in the tracker, all years
2,093
Of those, indexed in 2026
14
Added in November
25
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 4 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

5,768 results · Healthcare disclosures. Clear filters

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
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
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
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
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
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
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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