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.

5,447
Disclosures in the tracker, all years
2,033
Of those, indexed in 2026
86
Added in October
20
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 22 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.

72 incidents from 9 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 States21 Oct 2026Critical infrastructure organizations worldwideHow they got in: stolen or reused passwords.BleepingComputer
  2. United States20 Oct 2026Conduent Business Services, LLCThe source does not say how they got in.HIPAA Journal
  3. United States20 Oct 2026Central Ohio Primary Care PhysiciansHow they got in: stolen or reused passwords.HIPAA Journal
  4. United States20 Oct 2026Educational Testing ServiceThe source does not say how they got in.The Record
  5. United States20 Oct 2026Chevy Chase ClubThe source does not say how they got in.Vermont Attorney General
  6. United States20 Oct 2026Paradigm Healthcare ServicesThe source does not say how they got in.SecurityWeek
  7. United States19 Oct 2026Computer Task Group, IncorporatedThe source does not say how they got in.Vermont Attorney General
  8. United States19 Oct 2026Citizens BankThe source does not say how they got in.California Attorney General
  9. United States19 Oct 2026STS Aviation GroupThe source does not say how they got in.California Attorney General
  10. United States18 Oct 2026Stitch Connect IncThe source does not say how they got in.California Attorney General
  11. United States17 Oct 2026Catawba CountyThe source does not say how they got in.Vermont Attorney General
  12. United States16 Oct 2026Johnson Investment CounselThe source does not say how they got in.Vermont Attorney General
High9 Jul 2026
One Medical Amazon
Healthcare · Records not stated
Archived senior care records breached via third-party storage
9 Jul 2026
Critical9 Jul 2026
KDDI Six ISPs
Technology · 14,200,000 records
14.2M email logins exposed via third-party flaw
9 Jul 2026
Critical9 Jul 2026
Cybernews Credential Dump
Technology · Records not stated
24B stolen credential records publicly exposed
9 Jul 2026
High9 Jul 2026
Canada House of Commons
Government · Records not stated
Employee PII stolen via SharePoint zero-day
9 Jul 2026
Critical9 Jul 2026
Anne Arundel Dermatology
Healthcare · 1,900,000 records
1.9M patient PHI records exfiltrated
9 Jul 2026
Critical9 Jul 2026
NYC Health Hospitals
Healthcare · 1,800,000 records
1.8M records with SSNs and biometrics stolen
9 Jul 2026
Critical9 Jul 2026
Instructure Canvas
Education · Records not stated
30M student and staff records stolen
9 Jul 2026
High9 Jul 2026
One Medical
Healthcare · Records not stated
Archived senior care patient records accessed
9 Jul 2026
Critical9 Jul 2026
Tchap French Government
Government · Records not stated
73K government accounts and 643K messages stolen
9 Jul 2026
High9 Jul 2026
Novo Nordisk
Healthcare · Records not stated
Drug research and patient trial data exfiltrated
9 Jul 2026
Critical9 Jul 2026
Instructure Canvas LMS
Education · Records not stated
275M student records stolen by ShinyHunters
9 Jul 2026
Critical9 Jul 2026
Threat intel platform
Government · Records not stated
Threat intel platform breached during World Cup ops
9 Jul 2026
Critical9 Jul 2026
Illinois Dept Human Services
Government · Records not stated
Hundreds of thousands of health records exposed publicly
9 Jul 2026
Critical9 Jul 2026
24B Credential Mega-Dump
Sector not stated · 24,000,000,000 records
24B stolen credentials exposed in 8.3TB public database
9 Jul 2026
Critical9 Jul 2026
KDDI Japan ISP Network
Technology · 14,200,000 records
14.2M email credentials exposed across six ISPs
9 Jul 2026
Critical9 Jul 2026
HSIN platform
Government · Records not stated
HSIN platform breached, national security data exposed
9 Jul 2026
High9 Jul 2026
Klue
Technology · Records not stated
OAuth tokens and Salesforce CRM data accessed
9 Jul 2026
Critical9 Jul 2026
Nissan Americas
Sector not stated · 53,000 records
Employee SSNs, banking, tax data stolen
9 Jul 2026
Critical9 Jul 2026
Infostealer Credential Megadump
Sector not stated · 24,000,000,000 records
24B credentials from 36 sources exposed
9 Jul 2026
Critical9 Jul 2026
June 2026 Stealer Logs
Technology · 124,000,000 records
56M unique emails and 124M passwords indexed on monitored breach databases
9 Jul 2026
High9 Jul 2026
Texas Parks and Wildlife
Government · Records not stated
3M hunting and fishing license records exposed
9 Jul 2026
High9 Jul 2026
Kodak Corporation
Sector not stated · 2,200,000 records
2.2M customer records stolen by ShinyHunters
9 Jul 2026
Critical9 Jul 2026
Madison Square Garden
Sector not stated · 26,000,000 records
26M records leaked after ransom deadline passed
9 Jul 2026
Critical9 Jul 2026
KDDI Japan Telecom
Technology · 14,200,000 records
14.2M email credentials exposed across six ISPs
9 Jul 2026
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