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.

5,366
Disclosures in the tracker, all years
2,082
Of those, indexed in 2026
146
Added in October
23
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 30 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.

78 incidents from 12 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. Canada29 Oct 2026McCarthy Tétrault (with Davies also reporting a breach)The source does not say how they got in.The Globe and Mail
  2. Canada23 Oct 2026Crime Stoppers programs in OntarioHow they got in: a supplier or vendor that was compromised first.Global News
  3. Canada22 Oct 2026Toronto Crime StoppersHow they got in: a supplier or vendor that was compromised first.Global News
  4. Canada21 Oct 2026Canadian Crime Stoppers AssociationHow they got in: a supplier or vendor that was compromised first.CBC News
Medium3 Sep 2021
69K patient records exposed in ransomware
Healthcare · 69,000 records
69K patient records exposed in ransomware
3 Sep 2021
High3 Sep 2021
Avos Locker ransomware encrypted city systems
Government · Records not stated
Avos Locker ransomware encrypted city systems
3 Sep 2021
Medium3 Sep 2021
69K patient records exposed in ransomware
Healthcare · 69,000 records
69K patient records exposed in ransomware
3 Sep 2021
High3 Sep 2021
Avos Locker ransomware encrypted city systems
Government · Records not stated
Avos Locker ransomware encrypted city systems
3 Sep 2021
Medium3 Sep 2021
69K patient records exposed in ransomware
Healthcare · 69,000 records
69K patient records exposed in ransomware
3 Sep 2021
High3 Sep 2021
Avos Locker ransomware encrypted city systems
Government · Records not stated
Avos Locker ransomware encrypted city systems
3 Sep 2021
Medium3 Sep 2021
69K patient records exposed in ransomware
Healthcare · 69,000 records
69K patient records exposed in ransomware
3 Sep 2021
High3 Sep 2021
Avos Locker ransomware encrypted city systems
Government · Records not stated
Avos Locker ransomware encrypted city systems
3 Sep 2021
Medium3 Sep 2021
69K patient records exposed in ransomware
Healthcare · 69,000 records
69K patient records exposed in ransomware
3 Sep 2021
High3 Sep 2021
Avos Locker ransomware encrypted city systems
Government · Records not stated
Avos Locker ransomware encrypted city systems
3 Sep 2021
Medium3 Sep 2021
69K patient records exposed in ransomware
Healthcare · 69,000 records
69K patient records exposed in ransomware
3 Sep 2021
High3 Sep 2021
Avos Locker ransomware encrypted city systems
Government · Records not stated
Avos Locker ransomware encrypted city systems
3 Sep 2021
Medium3 Sep 2021
69K patient records exposed in ransomware
Healthcare · 69,000 records
69K patient records exposed in ransomware
3 Sep 2021
High3 Sep 2021
Avos Locker ransomware encrypted city systems
Government · Records not stated
Avos Locker ransomware encrypted city systems
3 Sep 2021
Medium3 Sep 2021
69K patient records exposed in ransomware
Healthcare · 69,000 records
69K patient records exposed in ransomware
3 Sep 2021
High3 Sep 2021
Avos Locker ransomware encrypted city systems
Government · Records not stated
Avos Locker ransomware encrypted city systems
3 Sep 2021
Medium3 Sep 2021
69K patient records exposed in ransomware
Healthcare · 69,000 records
69K patient records exposed in ransomware
3 Sep 2021
High3 Sep 2021
Avos Locker ransomware encrypted city systems
Government · Records not stated
Avos Locker ransomware encrypted city systems
3 Sep 2021
Medium3 Sep 2021
69K patient records exposed in ransomware
Healthcare · 69,000 records
69K patient records exposed in ransomware
3 Sep 2021
High3 Sep 2021
Avos Locker ransomware encrypted city systems
Government · Records not stated
Avos Locker ransomware encrypted city systems
3 Sep 2021
Medium3 Sep 2021
69K patient records exposed in ransomware
Healthcare · 69,000 records
69K patient records exposed in ransomware
3 Sep 2021
High3 Sep 2021
Avos Locker ransomware encrypted city systems
Government · Records not stated
Avos Locker ransomware encrypted city systems
3 Sep 2021
Medium3 Sep 2021
69K patient records exposed in ransomware
Healthcare · 69,000 records
69K patient records exposed in ransomware
3 Sep 2021
High3 Sep 2021
Avos Locker ransomware encrypted city systems
Government · Records not stated
Avos Locker ransomware encrypted city systems
3 Sep 2021
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