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
High1 Jul 2025
American Lending Center
Finance · 123,158 records
Ransomware attack exposing sensitive data of 123,158 individuals (July 2025)
1 Jul 2025
Critical1 Jul 2025
MCBS
Healthcare · 1,200,000 records
Medical business management company breach affected 1.2 million individuals with personal data exposure
1 Jul 2025
High1 Jul 2025
CIEE One
Education · 248,725 records
Brazil platform breach exposed 248,725 records including PII and documents, sold on dark web
1 Jul 2025
High1 Jul 2025
Tieu Dental Corporation
Healthcare · Records not stated
July 2025 hacking-related data breach affecting dental patients in California
1 Jul 2025
High1 Jul 2025
KT Corp
Technology · Records not stated
Rogue femtocell breach exposed 16,647 subscribers' data and stole SMS payment information
1 Jul 2025
High1 Jul 2025
EY
Legal · Records not stated
ShinyHunters claims breach with stolen tax-related client documents threatened for release
1 Jul 2025
Critical1 Jul 2025
Revolut
Finance · 75,000,000 records
75 million records allegedly for sale including credit card data and private customer information
1 Jul 2025
Critical1 Jul 2025
Qantas Airways
Sector not stated · 6,000,000 records
Hackers stole nearly 6 million customer records in July 2025 as part of a broader attack on companies worldwide
1 Jul 2025
High1 Jul 2025
American Lending Center
Finance · 123,158 records
Ransomware attack in July 2025 exposed sensitive data of 123,158 individuals
1 Jul 2025
Medium25 Jun 2025
Robinsons Malls
Retail · 195,597 records
195,597 records exposed, Dates of birth, Email addresses, Genders, Geographic locations and 2 more
25 Jun 2025
Medium25 Jun 2025
Have Fun Teaching
Finance · 27,126 records
27,126 records exposed, Browser user agent details, Email addresses, IP addresses, Names and 3 more
25 Jun 2025
Medium13 Jun 2025
Ualabee
Technology · 472,296 records
472,296 records exposed, Dates of birth, Email addresses, Names, Phone numbers and 1 more
13 Jun 2025
High10 Jun 2025
WiredBucks
Retail · 918,529 records
918,529 records exposed, Earnings, Email addresses, IP addresses, Names and 3 more
10 Jun 2025
High7 Jun 2025
Disk Union
Retail · 690,667 records
690,667 records exposed, Email addresses, Geographic locations, Names, Passwords and 2 more
7 Jun 2025
High3 Jun 2025
ColoCrossing
Technology · 7,183 records
7,183 records exposed, Email addresses, Names, Passwords
3 Jun 2025
Critical1 Jun 2025
Aflac
Finance · 1,300,000 records
Data breach impacts 22 million customers
1 Jun 2025
Critical1 Jun 2025
Paraguay Government
Government · Records not stated
Cybercriminal data breach; 7.4 million citizen records containing PII offered for sale
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company
Healthcare · 1,300,000 records
Ransomware attack exposed sensitive protected health data on 1.3 million people to dark web in 2025
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company (unnamed)
Healthcare · 1,300,000 records
Ransomware attack exposed sensitive protected health data on 1.3 million people
1 Jun 2025
Critical1 Jun 2025
Aflac
Finance · 1,300,000 records
22.65 million individual records exposed in June 2025 breach
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company
Healthcare · 1,300,000 records
1.3 million people's protected health data exposed in 2025 ransomware attack, leaked to dark web
1 Jun 2025
Critical1 Jun 2025
Aflac
Finance · 1,300,000 records
Data breach from June impacts more than 22 million customers
1 Jun 2025
Critical1 Jun 2025
Paraguay Government
Government · 7,400,000 records
Data breach involving 7.4 million records of Paraguayan citizens with PII offered for sale
1 Jun 2025
Critical1 Jun 2025
Aflac
Finance · 1,300,000 records
Data breach impacting more than 22 million customers
1 Jun 2025
Were you affected?