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.

5,421
Disclosures in the tracker, all years
2,136
Of those, indexed in 2026
62
Added in November
24
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 9 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.

78 incidents from 10 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. Canada6 Nov 2026Air CreebecThe source does not say how they got in.CTV News
  2. Canada5 Nov 2026Burnaby School DistrictThe source does not say how they got in.CBC News
  3. Canada3 Nov 2026Central Okanagan School DistrictThe source does not say how they got in.CBC News
  4. Canada31 Oct 2026ChainalysisHow they got in: automated AI tools that work through many organizations at once.BleepingComputer
  5. Canada29 Oct 2026McCarthy Tétrault (with Davies also reporting a breach)The source does not say how they got in.The Globe and Mail
High24 Apr 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Chinese state-sponsored actors targeted Canadian parliament and diaspora communities
24 Apr 2023
High24 Apr 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Chinese state-sponsored actors targeted Canadian parliament and diaspora communities
24 Apr 2023
High24 Apr 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Chinese state-sponsored actors targeted Canadian parliament and diaspora communities
24 Apr 2023
High24 Apr 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Chinese state-sponsored actors targeted Canadian parliament and diaspora communities
24 Apr 2023
High24 Apr 2023
MEO
Retail · 8,227 records
8,227 records exposed, Email addresses, Names, Passwords, Phone numbers and 3 more
24 Apr 2023
High24 Apr 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Chinese state-sponsored actors targeted Canadian parliament and diaspora communities
24 Apr 2023
High24 Apr 2023
City of Lowell MA
Government · Records not stated
Play ransomware shut down city IT systems
24 Apr 2023
Critical23 Apr 2023
Terravision
Technology · 2,075,625 records
2,075,625 records exposed, Dates of birth, Email addresses, Geographic locations, Names and 2 more
23 Apr 2023
High23 Apr 2023
National Gallery of Canada
Sector not stated · Records not stated
250K patron records exposed in cyberattack
23 Apr 2023
Medium22 Apr 2023
Southeast Colorado Hospital
Healthcare · 15,000 records
15K patient records exposed
22 Apr 2023
High20 Apr 2023
Goodwin Procter (Canada ops)
Legal · Records not stated
Law firm data breach impacted Canadian operations
20 Apr 2023
Medium20 Apr 2023
Dracut Public Schools (MA)
Education · Records not stated
6K student records exposed in ransomware
20 Apr 2023
High18 Apr 2023
Hungarian Development Bank (MFB)
Finance · Records not stated
Cyberattack compromised Hungarian state bank systems
18 Apr 2023
Medium18 Apr 2023
Generali Seguros (Spain)
Finance · Records not stated
Insurance customer data compromised through third-party vendor breach
18 Apr 2023
Medium18 Apr 2023
DentalFirst
Healthcare · 35,000 records
35K patient dental records exposed
18 Apr 2023
Medium18 Apr 2023
Williams Sonoma
Retail · 53,000 records
53K customer records exposed in data breach
18 Apr 2023
Medium17 Apr 2023
Mission Community Hospital
Healthcare · 89,000 records
89K patient records exposed in ransomware
17 Apr 2023
Critical17 Apr 2023
Point32Health / Harvard Pilgrim
Healthcare · Records not stated
2.5M member records stolen in ransomware attack
17 Apr 2023
Medium17 Apr 2023
Summit Public Schools (NJ)
Education · Records not stated
5K student records exposed
17 Apr 2023
Medium15 Apr 2023
Mesa Public Schools (AZ)
Education · Records not stated
77K student records exposed in data breach
15 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
14 Apr 2023
Were you affected?