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.
5,292
Disclosures in the tracker, all years
2,005
Of those, indexed in 2026
50
Added in October
9
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 18 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
4,963 results · Healthcare disclosures. Clear filters
Critical1 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
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
High1 Aug 2026
Healthcare advocacy vendor breach
Healthcare · Records not stated
Healthcare advocacy vendor breach exposed employees' Social Security numbers
1 Aug 2026
High1 Aug 2026
CareCloud Inc.
Healthcare · 345,000 records
Cyberattack exposed data on 345,000 patients including protected health information
1 Aug 2026
High1 Aug 2026
CareCloud
Healthcare · 345,000 records
Cyberattack and data theft notified more than 345,000 patients of exposure
1 Aug 2026
Critical1 Aug 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing company; 1.26 million patients exposed in PEAR ransomware attack
1 Aug 2026
Critical1 Aug 2026
MCBS Medical Billing
Healthcare · 1,260,000 records
1.26 million patients exposed in PEAR ransomware attack on billing and practice-management company
1 Aug 2026
High1 Aug 2026
Data breach
Healthcare · Records not stated
Data breach exposed SSNs and medical records
1 Aug 2026
Critical1 Aug 2026
MCBS
Healthcare · 1,260,000 records
1.26 million patients exposed in PEAR ransomware attack on medical billing company
1 Aug 2026
High1 Aug 2026
Clover Health
Healthcare · Records not stated
Data breach disclosed in securities filing; type of data exposed and record count unknown
1 Aug 2026
Critical1 Aug 2026
Unlimited Technology Systems
Healthcare · 3,800,000 records
Hackers stole personal, medical, and health insurance information of 3.8 million people
1 Aug 2026
High1 Aug 2026
Craneware
Healthcare · Records not stated
Healthcare software vendor suffered breach exposing customer data in supply-chain attack affecting healthcare industry.
1 Aug 2026
High1 Aug 2026
AnMed Health
Healthcare · Records not stated
Cyberattack on nonprofit health system forcing facility closures and limited capacity operations
1 Aug 2026
Critical1 Aug 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patient records exposed in PEAR ransomware attack
1 Aug 2026
Critical1 Aug 2026
Conduent
Healthcare · Records not stated
62.2 million healthcare records exposed, third-largest US healthcare breach ever
1 Aug 2026
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