Weekly briefing No. 42 published 30 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.

5,661
Disclosures in the tracker, all years
2,176
Of those, indexed in 2026
130
Added in November
23
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 14 Nov 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.

76 incidents from 6 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. Canada12 Nov 2026EducationPlannerBCThe source does not say how they got in.CBC News
  2. Canada11 Nov 2026SEGA (via newsletter vendor Arara Inc.)The source does not say how they got in.Cybernews
  3. Canada6 Nov 2026Air CreebecThe source does not say how they got in.CTV News
  4. Canada5 Nov 2026Burnaby School DistrictThe source does not say how they got in.CBC News
  5. Canada3 Nov 2026Central Okanagan School DistrictThe source does not say how they got in.CBC News
High17 Nov 2023
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
1M member records exposed, NSW Leagues and RSL club patron data
17 Nov 2023
High17 Nov 2023
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
1M member records exposed, NSW Leagues and RSL club patron data
17 Nov 2023
High17 Nov 2023
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
1M member records exposed, NSW Leagues and RSL club patron data
17 Nov 2023
High17 Nov 2023
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
1M member records exposed, NSW Leagues and RSL club patron data
17 Nov 2023
High17 Nov 2023
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
1M member records exposed, NSW Leagues and RSL club patron data
17 Nov 2023
High17 Nov 2023
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
1M member records exposed, NSW Leagues and RSL club patron data
17 Nov 2023
High17 Nov 2023
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
1M member records exposed, NSW Leagues and RSL club patron data
17 Nov 2023
High17 Nov 2023
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
1M member records exposed, NSW Leagues and RSL club patron data
17 Nov 2023
Critical17 Nov 2023
Concentra Health Services (PJ&A)
Healthcare · 3,900,000 records
3.9M patient records exposed through transcription vendor
17 Nov 2023
High16 Nov 2023
Toyota Financial Services
Technology · 215,000 records
215K customer records exposed in Medusa ransomware
16 Nov 2023
Medium15 Nov 2023
Greater Essex County DSB (Ontario)
Education · Records not stated
Cyberattack compromised school board systems, student and employee data at risk
15 Nov 2023
Medium15 Nov 2023
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack compromised school board systems, student and employee data at risk
15 Nov 2023
Medium15 Nov 2023
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack compromised school board systems, student and employee data at risk
15 Nov 2023
Medium15 Nov 2023
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack compromised school board systems, student and employee data at risk
15 Nov 2023
Medium15 Nov 2023
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack compromised school board systems, student and employee data at risk
15 Nov 2023
Medium15 Nov 2023
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack compromised school board systems, student and employee data at risk
15 Nov 2023
Medium15 Nov 2023
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack compromised school board systems, student and employee data at risk
15 Nov 2023
Medium15 Nov 2023
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack compromised school board systems, student and employee data at risk
15 Nov 2023
Medium15 Nov 2023
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack compromised school board systems, student and employee data at risk
15 Nov 2023
Medium15 Nov 2023
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack compromised school board systems, student and employee data at risk
15 Nov 2023
Medium15 Nov 2023
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack compromised school board systems, student and employee data at risk
15 Nov 2023
Medium15 Nov 2023
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack compromised school board systems, student and employee data at risk
15 Nov 2023
Medium15 Nov 2023
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack compromised school board systems, student and employee data at risk
15 Nov 2023
Medium15 Nov 2023
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattack compromised school board systems, student and employee data at risk
15 Nov 2023
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