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
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
High1 Aug 2026
NHS Tayside
Healthcare · 900,000 records
Unauthorized access to medical records of deceased 9-year-old girl after staff improper access
1 Aug 2026
High1 Aug 2026
AnMed
Healthcare · Records not stated
Nonprofit health system cyberattack forced facility closures and prolonged recovery
1 Aug 2026
High1 Aug 2026
Exact Sciences/Abbott
Healthcare · Records not stated
Personal and confidential information from at-home diagnostic test users exposed
1 Aug 2026
Critical1 Aug 2026
PEAR ransomware attack
Healthcare · 1,260,000 records
PEAR ransomware attack exposed 1.26 million patients' medical billing data
1 Aug 2026
High1 Aug 2026
Exact Sciences / Abbott
Healthcare · Records not stated
Patient sensitive personal information exposed from at-home diagnostic tests
1 Aug 2026
Critical1 Aug 2026
1.26 million patients exposed in PEAR ransomware attack
Healthcare · 1,260,000 records
1.26 million patients exposed in PEAR ransomware attack
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 patients exposed in PEAR ransomware attack; healthcare billing company
1 Aug 2026
High1 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Healthcare advocacy vendor breach; employees' social security numbers exposed
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 patients exposed in PEAR ransomware attack; medical billing and practice management data compromised
1 Aug 2026
High1 Aug 2026
Quantum Health
Healthcare · Records not stated
Healthcare advocacy vendor breach exposed employees' social security numbers
1 Aug 2026
Critical1 Aug 2026
Amgen
Healthcare · Records not stated
Patient health data and intellectual property stolen from cloud environment
1 Aug 2026
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