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.

5,583
Disclosures in the tracker, all years
2,083
Of those, indexed in 2026
147
Added in October
22
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 31 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

5,552 results · Healthcare disclosures. Clear filters

Critical1 Aug 2026
CareCloud
Healthcare · 3,700,000 records
3.7M patients' medical records stolen in cyberattack, one of largest U.S. healthcare breaches this year
1 Aug 2026
High1 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Personal information of current and former employees accessed in data breach
1 Aug 2026
High1 Aug 2026
Baylor Genetics
Healthcare · Records not stated
Genetic testing company data breach exposed IVF patient information
1 Aug 2026
Medium1 Aug 2026
SickKids
Healthcare · Records not stated
Personal information of current and former employees accessed in data breach
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · 3,700,000 records
Medical records of 3.7 million patients stolen in cyberattack, one of largest US healthcare breaches this year
1 Aug 2026
Critical1 Aug 2026
Conduent
Healthcare · 62,200,000 records
62.2 million people impacted, 3rd-largest US healthcare breach ever
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · 3,700,000 records
3.7M patients' medical records stolen in cyberattack, one of largest healthcare breaches this year
1 Aug 2026
Critical1 Aug 2026
Conduent
Healthcare · 62,200,000 records
62.2 million people affected; third-largest US healthcare breach ever
1 Aug 2026
High1 Aug 2026
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment stealing patient health information and proprietary company data
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · 3,700,000 records
3.7 million patients' medical records stolen in data breach, one of largest healthcare breaches this year
1 Aug 2026
Critical1 Aug 2026
Conduent
Healthcare · 62,200,000 records
Data breach affects 62.2 million people, third-largest US healthcare hack ever
1 Aug 2026
High1 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Personal information of current and former employees accessed in data breach
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · 3,700,000 records
3.7 million patients' medical records stolen in cyberattack, one of largest healthcare breaches in US this year
1 Aug 2026
Critical1 Aug 2026
Personal and medical records including SSNs
Healthcare · Records not stated
Personal and medical records including SSNs exposed in data breach
1 Aug 2026
Critical1 Aug 2026
Conduent
Healthcare · 62,200,000 records
62.2 million people affected in third-largest US healthcare hack with breach notices
1 Aug 2026
Critical1 Aug 2026
Amgen
Healthcare · Records not stated
Patient health data and intellectual property stolen from cloud environment in cybersecurity breach
1 Aug 2026
High1 Aug 2026
AnMed Health System
Healthcare · Records not stated
Cyberattack forced closure of 10 facilities; nonprofit health system operating in limited capacity
1 Aug 2026
High1 Aug 2026
AnMed
Healthcare · Records not stated
Nonprofit health system experienced cyberattack; facilities closed with prolonged recovery times
1 Aug 2026
High1 Aug 2026
Aesto Health
Healthcare · Records not stated
Healthcare technology company breach affected multiple healthcare provider clients
1 Aug 2026
Critical1 Aug 2026
Conduent
Healthcare · 62,200,000 records
62.2 million people affected; third-largest US healthcare hack ever; breach notices surge 58%
1 Aug 2026
Critical1 Aug 2026
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment, stole patient health data and proprietary company information
1 Aug 2026
High1 Aug 2026
AnMed
Healthcare · Records not stated
Nonprofit health system cyberattack; facilities closed during recovery
1 Aug 2026
High1 Aug 2026
WellPoint Texas
Healthcare · Records not stated
Personal information exposure; class action investigation launched
1 Aug 2026
Medium1 Aug 2026
Health Sciences Centre
Healthcare · Records not stated
Ransomware attack affecting facility maintenance systems including HVAC
1 Aug 2026
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