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.

5,314
Disclosures in the tracker, all years
2,028
Of those, indexed in 2026
76
Added in October
21
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 21 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 Kingdom16 Oct 2026Southville Primary School (Bristol City Council area)The source does not say how they got in.Hits Radio (West of England)
  2. United Kingdom13 Oct 2026TFG LondonThe source does not say how they got in.BleepingComputer
High9 Jul 2026
Nissan North America
Sector not stated · Records not stated
Employee SSNs stolen via Oracle PeopleSoft flaw
9 Jul 2026
Critical9 Jul 2026
700Credit
Finance · Records not stated
5.8M automotive finance SSNs stolen via API
9 Jul 2026
Critical9 Jul 2026
US DHS HSIN
Government · Records not stated
Federal threat intel platform breached for weeks
9 Jul 2026
Critical9 Jul 2026
Global Credential Mega-Dump
Technology · 24,000,000,000 records
24B credential records from 36 infostealer sources
9 Jul 2026
Critical9 Jul 2026
Instructure Canvas
Education · 275,000,000 records
275M records across 9K institutions stolen
9 Jul 2026
Critical9 Jul 2026
Oracle PeopleSoft CVE-2026-35273
Technology · 3,000,000 records
300+ instances hit, 100+ orgs, HR/payroll data stolen
9 Jul 2026
Critical9 Jul 2026
Klue Supply Chain Breach
Technology · Records not stated
200 firms hit via stolen OAuth tokens and CRM keys
9 Jul 2026
Critical9 Jul 2026
24B credential records from 36 breach sources exposed
Sector not stated · 24,000,000,000 records
24B credential records from 36 breach sources exposed
9 Jul 2026
Critical9 Jul 2026
World Cup security planning data
Government · Records not stated
World Cup security planning data exposed via HSIN
9 Jul 2026
High9 Jul 2026
Chemco Canada
Sector not stated · Records not stated
Ransomware attack by Qilin group ongoing
9 Jul 2026
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
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