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.

5,369
Disclosures in the tracker, all years
2,085
Of those, indexed in 2026
4
Added in November
26
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 1 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.

77 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. Canada31 Oct 2026ChainalysisHow they got in: automated AI tools that work through many organizations at once.BleepingComputer
  2. Canada29 Oct 2026McCarthy Tétrault (with Davies also reporting a breach)The source does not say how they got in.The Globe and Mail
  3. Canada23 Oct 2026Crime Stoppers programs in OntarioHow they got in: a supplier or vendor that was compromised first.Global News
  4. Canada22 Oct 2026Toronto Crime StoppersHow they got in: a supplier or vendor that was compromised first.Global News
  5. Canada21 Oct 2026Canadian Crime Stoppers AssociationHow they got in: a supplier or vendor that was compromised first.CBC News
Critical1 Feb 2024
Viamedis / Almerys (France)
Healthcare · Records not stated
33M health insurance records stolen from two major French third-party payment providers
1 Feb 2024
Medium1 Feb 2024
Ernest Health
Healthcare · 94,000 records
94K patient records exposed in ransomware across 30 hospitals
1 Feb 2024
High31 Jan 2024
Lurie Children's Hospital
Healthcare · Records not stated
790K pediatric patient records stolen in Rhysida ransomware
31 Jan 2024
Critical29 Jan 2024
Fulton County GA
Government · Records not stated
LockBit ransomware disrupted county courts and government
29 Jan 2024
High27 Jan 2024
MyPertamina
Technology · 5,970,416 records
5,970,416 records exposed, Dates of birth, Email addresses, Genders, Names and 3 more
27 Jan 2024
High24 Jan 2024
Ambulance Victoria
Healthcare · Records not stated
30,000+ employee records stolen by Agenda ransomware group
24 Jan 2024
Critical22 Jan 2024
Trello
Technology · 15,111,945 records
15,111,945 records exposed, Email addresses, Names, Usernames
22 Jan 2024
Medium22 Jan 2024
Affinity Credit Union (Saskatchewan)
Finance · Records not stated
Member data compromised in cyberattack on Saskatchewan credit union
22 Jan 2024
Medium22 Jan 2024
City of Frisco TX
Government · 36,000 records
36K records exposed in vendor breach
22 Jan 2024
High22 Jan 2024
EquiLend Holdings
Finance · Records not stated
LockBit ransomware disrupted securities lending platform
22 Jan 2024
High21 Jan 2024
Subway
Technology · Records not stated
LockBit ransomware stole financial data from sandwich chain
21 Jan 2024
Critical20 Jan 2024
Tietoevry (Finland/Sweden)
Technology · Records not stated
Akira ransomware disrupted Tietoevry cloud hosting, Swedish universities and firms hit
20 Jan 2024
Medium20 Jan 2024
Denver Health
Healthcare · 44,000 records
44K patient records exposed in vendor breach
20 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
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