Weekly briefing No. 41 published 4 Oct 2026
Intelligence · Disclosure tracker

Every public disclosure, dated and sourced.

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.

5,492
Disclosures in the tracker, all years
2,080
Of those, indexed in 2026
143
Added in October
20
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 30 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

Worldwide · How they got in

Incidents worldwide, by country.

76 incidents from 12 countries in the last 90 days, each from a public source and reviewed before it is shown. Where the source says how the attackers got in, the row says so.

  1. United States28 Oct 2026Legacy CooperativeThe source does not say how they got in.Vermont Attorney General
  2. United States28 Oct 2026Metro Tulsa Foot & Ankle SpecialistThe source does not say how they got in.Vermont Attorney General
  3. United States28 Oct 2026Quantum Health, Inc.The source does not say how they got in.Vermont Attorney General
  4. United States27 Oct 2026Directed Trust CompanyThe source does not say how they got in.Vermont Attorney General
  5. United States27 Oct 2026NorthShore Health CentersThe source does not say how they got in.HIPAA Journal
  6. United States27 Oct 2026University of New Mexico Health SystemThe source does not say how they got in.The Record
  7. United States26 Oct 2026Chisholm, Persson & Ball, P.C.The source does not say how they got in.Vermont Attorney General
  8. United States26 Oct 2026Alpha Omega Alpha Honor Medical SocietyThe source does not say how they got in.Vermont Attorney General
  9. United States26 Oct 2026USForex Inc.The source does not say how they got in.California Attorney General
  10. United States26 Oct 2026Monmouth UniversityThe source does not say how they got in.Vermont Attorney General
  11. United States26 Oct 2026Denver Health Medical PlanThe source does not say how they got in.HIPAA Journal
  12. United States24 Oct 2026Brooklyn Counseling ServicesThe source does not say how they got in.Vermont Attorney General
Critical1 Jun 2025
Water utilities (12 states)
Government · Records not stated
Cyberattacks on operational technology across at least 12 states; South Dakota and Georgia announced incidents
1 Jun 2025
High1 Jun 2025
LexisNexis
Legal · Records not stated
Suspicious activity detected on servers; Diligence, Metabase API, and Newsdesk services shut down
1 Jun 2025
High1 Jun 2025
North Carolina Ports
Sector not stated · Records not stated
Cybersecurity incident forced shift to manual operations; systems under restoration
1 Jun 2025
High1 Jun 2025
Framework
Technology · Records not stated
Data breach affecting all customers: names, emails, phone numbers, physical addresses exposed
1 Jun 2025
High1 Jun 2025
IEH Corporation
Government · Records not stated
Military device manufacturer cyber incident disclosed to SEC affecting specialized military products
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company (unidentified)
Healthcare · 1,300,000 records
1.3 million individuals' protected health data leaked to dark web in ransomware attack
1 Jun 2025
High1 Jun 2025
Water utilities
Government · Records not stated
Cyberattacks on operational technology systems expanded to 12 states including South Dakota and Georgia
1 Jun 2025
High1 Jun 2025
Organisation not named
Finance · Records not stated
The disclosure as indexed does not name the organisation.
Wave of cyberattacks by UNC6671 extortion group targeting financial organizations
1 Jun 2025
Critical1 Jun 2025
PEAR ransomware attack
Healthcare · 1,260,000 records
PEAR ransomware attack exposed 1.26 million patients' data. Medical billing company in Augusta, Georgia
1 Jun 2025
High1 Jun 2025
North Carolina Ports Authority
Sector not stated · Records not stated
Cyberattack disrupted IT systems and operations at Port of Wilmington
1 Jun 2025
High1 Jun 2025
TrueConf
Technology · Records not stated
Hackers breached servers and trojanized client installers with backdoors via unpatched vulnerabilities
1 Jun 2025
Critical1 Jun 2025
Unnamed medical billing company
Healthcare · 1,300,000 records
Ransomware attack leaked protected health data on 1.3 million people
1 Jun 2025
Critical1 Jun 2025
Unidentified Medical Billing Company
Healthcare · 1,300,000 records
Ransomware attack exposed protected health data on 1.3 million people to dark web
1 Jun 2025
Critical1 Jun 2025
Paraguayan Government
Government · 7,400,000 records
7.4 million records containing PII of Paraguayan citizens offered for sale
1 Jun 2025
Critical1 Jun 2025
MCBS Medical Billing
Healthcare · 1,300,000 records
PEAR ransomware attack exposed health data on 1.3 million patients, including protected health information
1 Jun 2025
Critical1 Jun 2025
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 affecting healthcare billing and practice-management
1 Jun 2025
Critical1 Jun 2025
Unnamed Medical Billing Company
Healthcare · 1,300,000 records
2025 ransomware attack exposed protected health data on 1.3 million people, leaked to dark web
1 Jun 2025
Critical1 Jun 2025
Medical billing company
Healthcare · 1,300,000 records
2025 ransomware attack exposed protected health data on 1.3 million people, leaked to dark web
1 Jun 2025
Critical1 Jun 2025
Aflac Insurance
Finance · 1,300,000 records
Data breach exposed 22.65 million individuals
1 Jun 2025
High1 Jun 2025
Essex NHS Trust
Healthcare · 900,000 records
Patient records stolen in cyber attack, disclosed 6+ months after notification
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company (Unnamed)
Healthcare · 1,300,000 records
Ransomware attack exposed protected health data on 1.3 million people to dark web
1 Jun 2025
Critical1 Jun 2025
Canada Life
Finance · 5,500,000 records
5.5 million customer, employee, and corporate records exposed via Salesforce data leak
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company (unnamed)
Healthcare · Records not stated
2025 ransomware attack exposed 1.3 million protected health records leaked to dark web
1 Jun 2025
Critical1 Jun 2025
Medical billing company (unnamed)
Healthcare · 1,300,000 records
2025 ransomware attack exposed protected health data on 1.3 million people, leaked to dark web
1 Jun 2025
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