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
High4 Oct 2025
Artists&Clients
Retail · 95,351 records
95,351 records exposed, Email addresses, IP addresses, Passwords, Usernames
4 Oct 2025
High3 Oct 2025
Latest Pilot Jobs
Technology · 118,864 records
118,864 records exposed, Email addresses, Names, Passwords, Usernames
3 Oct 2025
High3 Oct 2025
HomeRefill
Technology · 187,457 records
187,457 records exposed, Dates of birth, Email addresses, Names, Passwords and 1 more
3 Oct 2025
Critical1 Oct 2025
Dublin Airport
Sector not stated · Records not stated
Everest ransomware group stole 1.5 million passenger records
1 Oct 2025
High1 Oct 2025
PNC Financial Services Group
Finance · Records not stated
Data breach exposed 740,000 PII records; class action lawsuit filed
1 Oct 2025
Critical1 Oct 2025
Blue Cross-Blue Shield
Healthcare · Records not stated
Massive data breach; company allegedly knew about breach but delayed reporting
1 Oct 2025
Critical1 Oct 2025
Toppan Next Tech
Technology · Records not stated
Print vendor breach exposed supply chain risks affecting Singapore Police Force and major banks
1 Oct 2025
Critical1 Oct 2025
Blue Cross-Blue Shield
Healthcare · Records not stated
Massive data breach; lawsuit alleges company knew but delayed reporting
1 Oct 2025
Critical1 Oct 2025
Canadian Tire
Retail · 38,000,000 records
October 2025 breach exposed data from 38 million customer accounts including contact details and encrypted passwords
1 Oct 2025
Critical1 Oct 2025
Dublin Airport
Sector not stated · Records not stated
Everest ransomware group claimed theft of 1.5 million passenger records
1 Oct 2025
High1 Oct 2025
Capita
Technology · Records not stated
Data security breach resulting in £14 million fine from ICO for GDPR infringements
1 Oct 2025
Critical1 Oct 2025
Canadian Tire
Retail · 38,000,000 records
Data breach exposed personal information of 38 million customer accounts including contact details and encrypted passwords
1 Oct 2025
High1 Oct 2025
Capita
Technology · Records not stated
Data breach resulting in £14 million ICO fine for infringements of UK General Data Protection regulations
1 Oct 2025
Critical1 Oct 2025
Qantas
Sector not stated · 5,000,000 records
Hackers leaked 5 million customer records after ransom deadline passed; part of larger 40-company attack
1 Oct 2025
Critical1 Oct 2025
Blue Cross Blue Shield
Finance · Records not stated
Massive data breach with allegations company knew about it but delayed reporting; Montana investigation
1 Oct 2025
High1 Oct 2025
Mango Fashion Retailer
Retail · Records not stated
Spanish fast-fashion retailer's external marketing service provider suffered breach exposing limited customer information
1 Oct 2025
Critical1 Oct 2025
Canadian Tire
Retail · 38,000,000 records
October 2025 data breach affected 38 million customer accounts with personal and payment information
1 Oct 2025
Critical1 Oct 2025
Gmail/Google
Technology · 183,000,000 records
183 million email passwords exposed including millions of Gmail accounts through infostealer malware
1 Oct 2025
Critical1 Oct 2025
Toppan Next Tech
Technology · Records not stated
Breach affecting Singapore Police Force, DBS Bank, Bank of China, and Elections Commission
1 Oct 2025
Medium1 Oct 2025
Mango
Retail · Records not stated
External marketing service provider suffered breach exposing limited customer information
1 Oct 2025
Critical1 Oct 2025
Canadian Tire
Retail · 38,000,000 records
38 million customer accounts compromised in October 2025; contact details and encrypted passwords stolen
1 Oct 2025
Critical1 Oct 2025
Salesforce
Technology · 1,000,000,000 records
Hacking group claimed theft of 1 billion records from Salesforce customer databases
1 Oct 2025
Critical1 Oct 2025
Qantas
Sector not stated · 5,000,000 records
5 million customer records leaked after ransom deadline passed
1 Oct 2025
Critical1 Oct 2025
Blue Cross Blue Shield
Healthcare · Records not stated
Massive data breach affecting state's largest health insurance provider
1 Oct 2025
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