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.

5,453
Disclosures in the tracker, all years
2,167
Of those, indexed in 2026
117
Added in November
26
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 13 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 8 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
  6. Canada31 Oct 2026ChainalysisHow they got in: automated AI tools that work through many organizations at once.BleepingComputer
Medium1 Aug 2022
18K student records exposed in breach
Education · Records not stated
18K student records exposed in breach
1 Aug 2022
High1 Aug 2022
Ransomware encrypted patient data
Healthcare · Records not stated
Ransomware encrypted patient data
1 Aug 2022
Medium1 Aug 2022
18K student records exposed in breach
Education · Records not stated
18K student records exposed in breach
1 Aug 2022
High1 Aug 2022
Ransomware encrypted patient data
Healthcare · Records not stated
Ransomware encrypted patient data
1 Aug 2022
Medium1 Aug 2022
18K student records exposed in breach
Education · Records not stated
18K student records exposed in breach
1 Aug 2022
High1 Aug 2022
Ransomware encrypted patient data
Healthcare · Records not stated
Ransomware encrypted patient data
1 Aug 2022
Medium1 Aug 2022
18K student records exposed in breach
Education · Records not stated
18K student records exposed in breach
1 Aug 2022
High1 Aug 2022
Ransomware encrypted patient data
Healthcare · Records not stated
Ransomware encrypted patient data
1 Aug 2022
Medium1 Aug 2022
18K student records exposed in breach
Education · Records not stated
18K student records exposed in breach
1 Aug 2022
High1 Aug 2022
Ransomware encrypted patient data
Healthcare · Records not stated
Ransomware encrypted patient data
1 Aug 2022
Medium1 Aug 2022
18K student records exposed in breach
Education · Records not stated
18K student records exposed in breach
1 Aug 2022
High1 Aug 2022
Ransomware encrypted patient data
Healthcare · Records not stated
Ransomware encrypted patient data
1 Aug 2022
Medium1 Aug 2022
18K student records exposed in breach
Education · Records not stated
18K student records exposed in breach
1 Aug 2022
High1 Aug 2022
Ransomware encrypted patient data
Healthcare · Records not stated
Ransomware encrypted patient data
1 Aug 2022
Medium1 Aug 2022
18K student records exposed in breach
Education · Records not stated
18K student records exposed in breach
1 Aug 2022
High1 Aug 2022
Ransomware encrypted patient data
Healthcare · Records not stated
Ransomware encrypted patient data
1 Aug 2022
Medium1 Aug 2022
18K student records exposed in breach
Education · Records not stated
18K student records exposed in breach
1 Aug 2022
High1 Aug 2022
Ransomware encrypted patient data
Healthcare · Records not stated
Ransomware encrypted patient data
1 Aug 2022
Medium1 Aug 2022
18K student records exposed in breach
Education · Records not stated
18K student records exposed in breach
1 Aug 2022
High1 Aug 2022
Ransomware encrypted patient data
Healthcare · Records not stated
Ransomware encrypted patient data
1 Aug 2022
Medium1 Aug 2022
18K student records exposed in breach
Education · Records not stated
18K student records exposed in breach
1 Aug 2022
High1 Aug 2022
Received Health
Healthcare · 300,000 records
300K patient records exposed
1 Aug 2022
Critical1 Aug 2022
Advocate Aurora Health
Healthcare · 3,000,000 records
3M patient records shared via tracking pixel misconfiguration
1 Aug 2022
High29 Jul 2022
Battlefy
Retail · 83,610 records
83,610 records exposed, Email addresses, Passwords, Usernames
29 Jul 2022
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