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.

5,296
Disclosures in the tracker, all years
2,010
Of those, indexed in 2026
58
Added in October
15
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.

4,964 results · Healthcare disclosures. Clear filters

High1 Jul 2026
Partnered Health (Australian)
Healthcare · Records not stated
Cyber-attack exposed medical records including Medicare numbers, treatment details and pathology results
1 Jul 2026
High1 Jul 2026
Exact Sciences (Abbott)
Healthcare · Records not stated
Patient personal information from at-home diagnostic tests exposed
1 Jul 2026
High1 Jul 2026
Law Firm (New Jersey)
Healthcare · 13,000 records
Hospital records of 13K patients exposed in cyberattack on law firm representing healthcare organizations
1 Jul 2026
High1 Jul 2026
Abbott/Exact Sciences
Healthcare · Records not stated
Patient personal and health information exposed from at-home diagnostic tests
1 Jul 2026
Critical1 Jul 2026
Partnered Health (Australian clinics)
Healthcare · Records not stated
Medical records including Medicare numbers, treatment details, and pathology results exposed on dark web
1 Jul 2026
High1 Jul 2026
Exact Sciences/Abbott
Healthcare · Records not stated
Data breach exposed sensitive personal information from at-home test users
1 Jul 2026
High1 Jul 2026
Exact Sciences / Abbott
Healthcare · Records not stated
Patient sensitive and personal information exposed through at-home diagnostic tests
1 Jul 2026
High1 Jul 2026
South Florida Injury Centers
Healthcare · 1,525 records
1,525 individuals affected; SSNs and medical records (PHI/PII) exposed
1 Jul 2026
High1 Jul 2026
Partnered Health (Australia)
Healthcare · Records not stated
Personal information and medical details stolen from 21 clinics in cyber-attack
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing company in Augusta, Georgia exposed 1.26M patient records in PEAR ransomware attack
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing company PEAR ransomware attack exposed 1.26M patient records
1 Jul 2026
Critical1 Jul 2026
Medical billing company
Healthcare · 1,260,000 records
Medical billing company exposed 1.26M patient records in PEAR ransomware attack
1 Jul 2026
High1 Jul 2026
Hims & Hers
Healthcare · Records not stated
Patients' medical data allegedly shared with advertisers Meta and Snap without consent
1 Jul 2026
Critical1 Jul 2026
MCBS
Healthcare · 1,260,000 records
PEAR ransomware attack exposed 1.26 million patient records from medical billing company
1 Jul 2026
Critical1 Jul 2026
PEAR ransomware attack
Healthcare · 1,260,000 records
PEAR ransomware attack exposed 1.26 million patient records from healthcare billing company
1 Jul 2026
High1 Jul 2026
Partnered Health
Healthcare · Records not stated
Personal information and medical details stolen in cyber-attack on 21 clinics
1 Jul 2026
High1 Jul 2026
Clover Health
Healthcare · Records not stated
Health insurer data breach disclosed in securities filing; scope of exposed data unknown
1 Jul 2026
Critical1 Jul 2026
CareCloud
Healthcare · 350,000 records
Healthcare IT company data breach exposed information of over 350,000 people
1 Jul 2026
High3 Jun 2026
DentaQuest
Healthcare · 2,553,599 records
2,553,599 records exposed, Dates of birth, Email addresses, Genders, Government issued IDs and 4 more
3 Jun 2026
High1 Jun 2026
iRhythm
Healthcare · Records not stated
Wearable cardiac monitoring company (Zio ECG) notifying individuals affected by a June 2026 hacking incident involving personal and health information.
1 Jun 2026
Critical1 Jun 2026
iRhythm
Healthcare · 360,000 records
Medical device maker breach in June exposed data of at least 360,000 people
1 Jun 2026
High1 Jun 2026
Essex NHS Trust
Healthcare · 900,000 records
Thousands of patient records stolen in Qilin ransomware cyber attack
1 Jun 2026
High1 Jun 2026
Veradigm
Healthcare · Records not stated
Electronic health record company's vendor systems breached, customer data stolen
1 Jun 2026
High1 Jun 2026
Huntsville Hospital Health System
Healthcare · Records not stated
Third-party breach exposed patient information
1 Jun 2026
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