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
Medium9 Jul 2026
Chisholm Persson Ball Law
Legal · Records not stated
Akira ransomware attack on US law firm
9 Jul 2026
High9 Jul 2026
GitHub Developer Platform
Technology · Records not stated
4K code repositories stolen by TeamPCP group
9 Jul 2026
Critical9 Jul 2026
Carnival Corporation
Sector not stated · 6,000,000 records
6M customer records stolen including PII
9 Jul 2026
Critical9 Jul 2026
Nissan Motor Corporation
Sector not stated · 53,000 records
SSNs and banking data stolen from employees globally
9 Jul 2026
Critical9 Jul 2026
HSIN intelligence platform
Government · Records not stated
HSIN intelligence platform breached late May 2026
9 Jul 2026
Critical9 Jul 2026
Kubota North America
Sector not stated · 14,500 records
SSNs, bank accounts, and tax data accessed for 30+ days
9 Jul 2026
Critical9 Jul 2026
Infostealer Credential Dump
Sector not stated · Records not stated
24B stolen credentials exposed in public database
9 Jul 2026
Critical9 Jul 2026
24B Credential Dump
Sector not stated · 24,000,000,000 records
24B stolen credentials exposed in mega-leak
9 Jul 2026
Critical9 Jul 2026
Oracle PeopleSoft Campaign
Technology · 3,000,000 records
300 instances across 100 orgs breached
9 Jul 2026
Critical9 Jul 2026
24B Credential Megadump
Sector not stated · 24,000,000,000 records
24B stolen credentials exposed from 36 sources
9 Jul 2026
Critical9 Jul 2026
Intel-sharing platform HSIN
Government · Records not stated
Intel-sharing platform HSIN breached for weeks
9 Jul 2026
High9 Jul 2026
Crunchbase
Technology · Records not stated
2M business records exfiltrated by ShinyHunters
9 Jul 2026
Critical9 Jul 2026
NYC Health Hospitals
Healthcare · 1,800,000 records
1.8M records stolen including biometrics and SSNs
9 Jul 2026
Critical9 Jul 2026
HSIN network
Government · Records not stated
HSIN network breached, security plans exposed
9 Jul 2026
High9 Jul 2026
Eurail
Sector not stated · Records not stated
300K traveler passports and IBANs exposed
9 Jul 2026
Critical9 Jul 2026
Cybernews 24B Credential Dump
Technology · 24,000,000,000 records
24B credential records exposed via infostealer logs
9 Jul 2026
Critical9 Jul 2026
HSIN security planning network
Government · Records not stated
HSIN security planning network breached
9 Jul 2026
Critical9 Jul 2026
NYC Health and Hospitals
Healthcare · 1,800,000 records
1.8M records stolen including fingerprints
9 Jul 2026
Critical9 Jul 2026
DHS Homeland Security Network
Government · Records not stated
Sensitive gov intel-sharing platform breached
9 Jul 2026
High9 Jul 2026
Air Creebec Canada
Sector not stated · 10,000 records
70GB data stolen from Canadian regional airline
9 Jul 2026
Critical9 Jul 2026
DHS Homeland Security
Government · Records not stated
HSIN government info-sharing platform breached
9 Jul 2026
Critical9 Jul 2026
KDDI Japan ISPs
Technology · 14,200,000 records
14.2M email credentials exposed at six ISPs
9 Jul 2026
High9 Jul 2026
NAIC Insurance Commissioners
Finance · 12,000 records
Regulatory filings and credentials stolen by ShinyHunters
9 Jul 2026
Critical9 Jul 2026
Intel-sharing network HSIN
Government · Records not stated
Intel-sharing network HSIN breached for weeks
9 Jul 2026
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