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. Canada21 Oct 2026Canadian Crime Stoppers AssociationHow they got in: a supplier or vendor that was compromised first.CBC News
  2. Canada19 Oct 2026City of HamiltonThe source does not say how they got in.CBC
  3. Canada17 Oct 2026More RewardsThe source does not say how they got in.CTV News
  4. Canada16 Oct 2026McMurray MétisHow they got in: email made to look like it came from a trusted sender.Yahoo News Canada
  5. Canada14 Oct 2026Nova Scotia minor hockey communityHow they got in: email made to look like it came from a trusted sender.PNI Atlantic News
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
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
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