Weekly briefing No. 41 published 4 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.

5,339
Disclosures in the tracker, all years
2,052
Of those, indexed in 2026
111
Added in October
18
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 25 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.

74 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. Canada23 Oct 2026Crime Stoppers programs in OntarioHow they got in: a supplier or vendor that was compromised first.Global News
  2. Canada22 Oct 2026Toronto Crime StoppersHow they got in: a supplier or vendor that was compromised first.Global News
  3. Canada21 Oct 2026Canadian Crime Stoppers AssociationHow they got in: a supplier or vendor that was compromised first.CBC News
  4. Canada17 Oct 2026More RewardsThe source does not say how they got in.CTV News
  5. Canada16 Oct 2026McMurray MétisHow they got in: email made to look like it came from a trusted sender.Yahoo News Canada
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
High1 Nov 2025
University of Pennsylvania
Education · Records not stated
Hacker stole data during cyberattack
1 Nov 2025
Critical1 Nov 2025
Google
Technology · Records not stated
Data breach in ongoing Salesforce data theft attacks; hackers stole data from 200 companies via Gainsight breach
1 Nov 2025
High1 Nov 2025
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Data breach revealed cyber-weapons and target list
1 Nov 2025
High1 Nov 2025
Asahi
Sector not stated · 1,500,000 records
Ransomware attack exposed data of 1.5 million people including names, gender, addresses and phone numbers
1 Nov 2025
Critical1 Nov 2025
Gainsight/Google
Technology · Records not stated
Hackers stole data from 200 companies following Gainsight breach
1 Nov 2025
Critical1 Nov 2025
Pajemploi
Government · 1,200,000 records
1.2 million individuals' data exposed in cybersecurity incident
1 Nov 2025
Critical1 Nov 2025
Habib Bank AG Zurich
Finance · Records not stated
Russian hackers breached bank stealing 2.5TB of data including customer records and internal documents
1 Nov 2025
Critical1 Nov 2025
SitusAMC
Finance · Records not stated
Breach exposed data from over 100 financial institutions, third-party risk exposure
1 Nov 2025
High1 Nov 2025
Washington Post
Technology · Records not stated
Data breach linked to Oracle hacks
1 Nov 2025
Critical1 Nov 2025
Asahi
Sector not stated · 1,500,000 records
Ransomware attack exposed data of 1.5 million people including names, addresses, phone numbers
1 Nov 2025
High1 Nov 2025
Harvard University
Education · Records not stated
Alumni Affairs and Development Office systems accessed, donor records and personal information exposed
1 Nov 2025
Critical1 Nov 2025
Change Healthcare
Healthcare · 100,000,000 records
Cybersecurity breach impacting US healthcare operations and claims adjudication
1 Nov 2025
High1 Nov 2025
SitusAMC
Finance · Records not stated
Data breach impacting JPMorgan, Citi, and Morgan Stanley; vendor-related incident in financial services
1 Nov 2025
Critical1 Nov 2025
Pajemploi
Government · 1,200,000 records
Data breach exposing up to 1.2 million individuals' information at French government agency
1 Nov 2025
High1 Nov 2025
Asahi
Sector not stated · 1,500,000 records
Ransomware attack exposed data of 1.5 million people including names, gender, addresses, phone numbers
1 Nov 2025
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