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.

5,323

Disclosures in the tracker, all years

2,037

Of those, indexed in 2026

85

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.

5,071 results · Healthcare disclosures. Clear filters

High31 May 2023

310K patient records exposed

Healthcare · 310,000 records

310K patient records exposed

31 May 2023

Critical31 May 2023

4M patient Medicaid records exposed

Healthcare · 4,000,000 records

4M patient Medicaid records exposed

31 May 2023

High31 May 2023

310K patient records exposed

Healthcare · 95,000,000 records

310K patient records exposed

31 May 2023

Critical31 May 2023

4M patient Medicaid records exposed

Healthcare · 4,000,000 records

4M patient Medicaid records exposed

31 May 2023

High31 May 2023

310K patient records exposed

Healthcare · 310,000 records

310K patient records exposed

31 May 2023

Critical31 May 2023

4M patient Medicaid records exposed

Healthcare · 4,000,000 records

4M patient Medicaid records exposed

31 May 2023

High31 May 2023

310K patient records exposed

Healthcare · 310,000 records

310K patient records exposed

31 May 2023

Critical31 May 2023

4M patient Medicaid records exposed

Healthcare · 4,000,000 records

4M patient Medicaid records exposed

31 May 2023

High31 May 2023

310K patient records exposed

Healthcare · 310,000 records

310K patient records exposed

31 May 2023

Critical31 May 2023

4M patient Medicaid records exposed

Healthcare · 4,000,000 records

4M patient Medicaid records exposed

31 May 2023

High31 May 2023

310K patient records exposed

Healthcare · 310,000 records

310K patient records exposed

31 May 2023

Critical31 May 2023

4M patient Medicaid records exposed

Healthcare · 4,000,000 records

4M patient Medicaid records exposed

31 May 2023

High31 May 2023

310K patient records exposed

Healthcare · 310,000 records

310K patient records exposed

31 May 2023

Critical31 May 2023

4M patient Medicaid records exposed

Healthcare · 4,000,000 records

4M patient Medicaid records exposed

31 May 2023

High31 May 2023

310K patient records exposed

Healthcare · 310,000 records

310K patient records exposed

31 May 2023

Critical31 May 2023

4M patient Medicaid records exposed

Healthcare · 95,000,000 records

4M patient Medicaid records exposed

31 May 2023

Critical31 May 2023

4M patient Medicaid records exposed

Healthcare · 95,000,000 records

4M patient Medicaid records exposed

31 May 2023

High31 May 2023

310K patient records exposed

Healthcare · 95,000,000 records

310K patient records exposed

31 May 2023

Critical31 May 2023

BORN Ontario (Birth Registry)

Healthcare · Records not stated

3.4M mothers' and infants' data stolen via MOVEit, Ontario birth registry

31 May 2023

High31 May 2023

310K patient records exposed

Healthcare · 310,000 records

310K patient records exposed

31 May 2023

High31 May 2023

Trinity Health (MOVEit)

Healthcare · 990,000 records

990K patient records exposed via MOVEit

31 May 2023

High31 May 2023

Providence Health Plan

Healthcare · Records not stated

122K member records exposed in MOVEit breach

31 May 2023

High31 May 2023

Highmark Blue Cross

Healthcare · Records not stated

300K member records exposed in MOVEit breach

31 May 2023

Critical31 May 2023

Maximus (MOVEit)

Healthcare · 95,000,000 records

11M government healthcare records exposed in MOVEit breach

31 May 2023

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