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.

5,407
Disclosures in the tracker, all years
2,121
Of those, indexed in 2026
47
Added in November
47
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 7 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 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. Canada5 Nov 2026Burnaby School DistrictThe source does not say how they got in.CBC News
  2. Canada3 Nov 2026Central Okanagan School DistrictThe source does not say how they got in.CBC News
  3. Canada31 Oct 2026ChainalysisHow they got in: automated AI tools that work through many organizations at once.BleepingComputer
  4. Canada29 Oct 2026McCarthy Tétrault (with Davies also reporting a breach)The source does not say how they got in.The Globe and Mail
Critical8 Feb 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
3TB of US military emails left exposed on misconfigured Azure server
8 Feb 2023
Critical8 Feb 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
3TB of US military emails left exposed on misconfigured Azure server
8 Feb 2023
Critical8 Feb 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
3TB of US military emails left exposed on misconfigured Azure server
8 Feb 2023
Critical8 Feb 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
3TB of US military emails left exposed on misconfigured Azure server
8 Feb 2023
Critical8 Feb 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
3TB of US military emails left exposed on misconfigured Azure server
8 Feb 2023
Critical8 Feb 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
3TB of US military emails left exposed on misconfigured Azure server
8 Feb 2023
Critical8 Feb 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
3TB of US military emails left exposed on misconfigured Azure server
8 Feb 2023
Critical8 Feb 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
3TB of US military emails left exposed on misconfigured Azure server
8 Feb 2023
Critical8 Feb 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
3TB of US military emails left exposed on misconfigured Azure server
8 Feb 2023
Critical8 Feb 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
3TB of US military emails left exposed on misconfigured Azure server
8 Feb 2023
High8 Feb 2023
Weee
Retail · 1,117,405 records
1,117,405 records exposed, Delivery instructions, Email addresses, Names, Phone numbers and 1 more
8 Feb 2023
Critical8 Feb 2023
Indigo Books
Retail · Records not stated
LockBit ransomware, employee data stolen, weeks of downtime
8 Feb 2023
High8 Feb 2023
CIUSSS du Centre-Sud (Montreal)
Healthcare · 3,600 records
3,600 patient records accessed by unauthorized employee
8 Feb 2023
Critical8 Feb 2023
Indigo Books LockBit Attack
Retail · 8,800,000 records
8.8M records compromised in LockBit ransomware attack, employee and customer data stolen
8 Feb 2023
Critical8 Feb 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
3TB of US military emails left exposed on misconfigured Azure server
8 Feb 2023
Critical8 Feb 2023
Oakland CA city government
Government · Records not stated
City systems encrypted in Play ransomware, confidential police data leaked
8 Feb 2023
Critical7 Feb 2023
NationsBenefits
Healthcare · Records not stated
3.04M member records exposed in Fortra GoAnywhere breach
7 Feb 2023
High6 Feb 2023
LimeVPN
Retail · 23,348 records
23,348 records exposed, Email addresses, IP addresses, Names, Passwords and 3 more
6 Feb 2023
Medium6 Feb 2023
Vedant Fashions (Manyavar India)
Retail · Records not stated
Customer data leaked from Indian ethnic wear retailer
6 Feb 2023
Medium6 Feb 2023
Vesuvius PLC (UK)
Sector not stated · Records not stated
Cyberattack on molten metal engineering firm, production and data systems compromised
6 Feb 2023
Medium6 Feb 2023
Munster Technological University
Education · Records not stated
Ransomware forced campus closure and disrupted exams across multiple campuses
6 Feb 2023
High6 Feb 2023
Memorial University of Newfoundland
Education · Records not stated
Cyberattack compromised student and employee data across all campuses
6 Feb 2023
High6 Feb 2023
Ardagh Group
Sector not stated · Records not stated
Ransomware disrupted glass and metal packaging manufacturer
6 Feb 2023
High6 Feb 2023
Lehigh Valley Health Network
Healthcare · 135,000 records
135K patient records and clinical images leaked by BlackCat ransomware
6 Feb 2023
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