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.

5,447
Disclosures in the tracker, all years
2,033
Of those, indexed in 2026
86
Added in October
20
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 22 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

5,123 results · Healthcare disclosures. Clear filters

Critical1 Nov 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Unauthorized email access for 15 months exposed SSNs and medical records (Aug 2024-Nov 2024)
1 Nov 2024
High1 Nov 2024
November 2024 ransomware attack
Healthcare · Records not stated
November 2024 ransomware attack exposed data; notification letters sent in July 2026
1 Nov 2024
Critical1 Nov 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Unauthorized email access from Aug 2024-Nov 2024 exposed SSNs and medical records for 15 months
1 Nov 2024
Critical1 Nov 2024
McLaren Health Care
Healthcare · Records not stated
Two ransomware breaches in 2023 and 2024 affected 3.2 million victims, settled class-action lawsuit for $14M
1 Nov 2024
Medium14 Oct 2024
University Hospitals of Morecambe Bay
Healthcare · Records not stated
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
Medium14 Oct 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted hospital IT, appointment systems and patient portals down
14 Oct 2024
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