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.

5,337
Disclosures in the tracker, all years
2,050
Of those, indexed in 2026
104
Added in October
24
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 24 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.

71 incidents from 11 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. Japan22 Oct 2026CapcomThe source does not say how they got in.BleepingComputer
  2. Japan19 Oct 2026Nikkei Inc.How they got in: stolen or reused passwords.BleepingComputer
  3. Japan16 Oct 2026Burger King JapanThe source does not say how they got in.Security Affairs
  4. Japan16 Oct 2026BK JapanThe source does not say how they got in.SecurityWeek
  5. Japan16 Oct 2026Al Jazeera Media NetworkHow they got in: a supplier or vendor that was compromised first.BleepingComputer
High14 Aug 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
9,041 GCKey credentials used in credential stuffing, RCMP, CRA, IRCC accounts accessed
14 Aug 2020
High14 Aug 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
9,041 GCKey credentials used in credential stuffing, RCMP, CRA, IRCC accounts accessed
14 Aug 2020
High14 Aug 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
9,041 GCKey credentials used in credential stuffing, RCMP, CRA, IRCC accounts accessed
14 Aug 2020
High14 Aug 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
9,041 GCKey credentials used in credential stuffing, RCMP, CRA, IRCC accounts accessed
14 Aug 2020
High14 Aug 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
9,041 GCKey credentials used in credential stuffing, RCMP, CRA, IRCC accounts accessed
14 Aug 2020
High14 Aug 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
9,041 GCKey credentials used in credential stuffing, RCMP, CRA, IRCC accounts accessed
14 Aug 2020
High14 Aug 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
9,041 GCKey credentials used in credential stuffing, RCMP, CRA, IRCC accounts accessed
14 Aug 2020
High14 Aug 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
9,041 GCKey credentials used in credential stuffing, RCMP, CRA, IRCC accounts accessed
14 Aug 2020
High14 Aug 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
9,041 GCKey credentials used in credential stuffing, RCMP, CRA, IRCC accounts accessed
14 Aug 2020
High14 Aug 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
9,041 GCKey credentials used in credential stuffing, RCMP, CRA, IRCC accounts accessed
14 Aug 2020
Critical14 Aug 2020
Advocate Medical Group
Healthcare · 4,000,000 records
4M patient records compromised
14 Aug 2020
Medium12 Aug 2020
Independent Health
Healthcare · Records not stated
82K member records exposed in email breach
12 Aug 2020
High10 Aug 2020
Einstein Healthcare Network
Healthcare · 315,000 records
315K patient records exposed via email compromise
10 Aug 2020
Critical7 Aug 2020
Zoosk (2020)
Education · 23,927,853 records
23,927,853 records exposed, Dates of birth, Drinking habits, Education levels, Email addresses and 13 more
7 Aug 2020
Medium7 Aug 2020
Hilton Hotels
Retail · Records not stated
72K loyalty member records exposed in credential stuffing
7 Aug 2020
High6 Aug 2020
ProctorU
Education · 444,453 records
444,453 records exposed, Email addresses, Names, Passwords, Phone numbers and 2 more
6 Aug 2020
High6 Aug 2020
Nidec Corporation (Japan)
Sector not stated · Records not stated
Vietnamese subsidiary data stolen, 50,694 internal documents published
6 Aug 2020
High5 Aug 2020
Canon
Sector not stated · Records not stated
Maze ransomware encrypted cloud photo storage and internal systems
5 Aug 2020
High5 Aug 2020
Luxottica / EyeMed
Healthcare · 829,000 records
829K patient vision care records exposed
5 Aug 2020
High4 Aug 2020
Konica Minolta (Japan)
Technology · Records not stated
RansomEXX encrypted internal systems, printers and services disrupted globally
4 Aug 2020
High3 Aug 2020
Kreditplus
Finance · 768,890 records
768,890 records exposed, Dates of birth, Email addresses, Employers, Family structure and 11 more
3 Aug 2020
High3 Aug 2020
Kreditplus (Indonesia)
Finance · 890,000 records
890,000 customer financial records leaked on dark web
3 Aug 2020
High3 Aug 2020
City of Collierville TN
Government · Records not stated
Ransomware disrupted police and fire dispatch
3 Aug 2020
Critical3 Aug 2020
Banner Health
Healthcare · 3,700,000 records
3.7M patient records exposed in cyberattack
3 Aug 2020
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