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
Aflac Japan
Finance · 1,300,000 records
Policy details and bank accounts stolen
9 Jul 2026
Critical9 Jul 2026
Nissan Americas
Sector not stated · 53,000 records
Employee SSNs stolen via Oracle PeopleSoft zero-day
9 Jul 2026
Medium9 Jul 2026
Oxford CareerConnect
Education · Records not stated
Student PII exposed via career platform breach
9 Jul 2026
Critical9 Jul 2026
NYC Health and Hospitals
Healthcare · 1,800,000 records
1.8M records stolen including biometrics and SSNs
9 Jul 2026
Critical9 Jul 2026
Medtronic
Healthcare · 3,800,000 records
3.8M patient SSNs and health records stolen
9 Jul 2026
Critical9 Jul 2026
Charter Communications
Technology · 40,000,000 records
40M records stolen via vishing attack
9 Jul 2026
Critical9 Jul 2026
KDDI Japan Telco
Technology · 14,200,000 records
14.2M email addresses and passwords leaked
9 Jul 2026
High9 Jul 2026
Lake Region Healthcare
Healthcare · Records not stated
SSNs, biometrics and medical records confirmed stolen
9 Jul 2026
Critical9 Jul 2026
ADT
Sector not stated · 30,000 records
5.5M customer records leaked after April intrusion
9 Jul 2026
Critical9 Jul 2026
AdaptHealth Corp
Healthcare · Records not stated
Patient PHI and billing credentials stolen via contractor
9 Jul 2026
Critical9 Jul 2026
Intel-sharing platform
Government · Records not stated
Intel-sharing platform breached during live World Cup ops
9 Jul 2026
High9 Jul 2026
Kubota North America
Sector not stated · 14,500 records
SSNs and bank data stolen in month-long intrusion
9 Jul 2026
Critical9 Jul 2026
DHS HSIN Platform
Government · Records not stated
Federal intel-sharing network contents accessed
9 Jul 2026
High9 Jul 2026
Kubota North America
Sector not stated · 14,500 records
Employee SSNs, banking, benefits data stolen
9 Jul 2026
Medium9 Jul 2026
Oxford University CareerConnect
Education · Records not stated
Student PII exposed via career platform breach
9 Jul 2026
High9 Jul 2026
Tchap French Gov Messaging
Government · Records not stated
73K government user accounts and 643K messages stolen
9 Jul 2026
High9 Jul 2026
London Hydro
Sector not stated · 170,000 records
170K customer account and billing records accessed
9 Jul 2026
Critical9 Jul 2026
DentaQuest
Healthcare · Records not stated
2.6M Medicaid health records leaked by ShinyHunters
9 Jul 2026
Critical9 Jul 2026
Aflac Life Insurance Japan
Finance · 4,380,000 records
4.38M customer records stolen including bank details
9 Jul 2026
Medium9 Jul 2026
Chisholm Persson Ball
Legal · Records not stated
Akira ransomware hit US law firm
9 Jul 2026
High9 Jul 2026
Eastman Kodak
Sector not stated · 2,200,000 records
2.2M customer records stolen by ShinyHunters
9 Jul 2026
Critical9 Jul 2026
Nissan Motor
Sector not stated · 53,000 records
Employee SSNs and bank data stolen via Oracle zero-day
9 Jul 2026
Critical9 Jul 2026
KDDI Japan
Technology · 14,200,000 records
14.2M email credentials exposed at six ISPs
9 Jul 2026
Critical9 Jul 2026
Charter Communications
Technology · 4,900,000 records
4.9M customer accounts breached
9 Jul 2026
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