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.

5,336
Disclosures in the tracker, all years
2,049
Of those, indexed in 2026
104
Added in October
24
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 24 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
High17 Dec 2025
Web Hosting Talk
Technology · 515,149 records
515,149 records exposed, Email addresses, IP addresses, Passwords, Usernames
17 Dec 2025
High6 Dec 2025
KinoKong
Technology · 817,808 records
817,808 records exposed, Email addresses, IP addresses, Names, Passwords and 1 more
6 Dec 2025
High1 Dec 2025
NHS England Tech Provider
Healthcare · 900,000 records
Tech provider confirms data breach
1 Dec 2025
High1 Dec 2025
Mixpanel
Technology · Records not stated
Data breach at analytics platform
1 Dec 2025
High1 Dec 2025
NHS England Tech Provider
Healthcare · 900,000 records
Confirmed data breach at technology provider
1 Dec 2025
Critical1 Dec 2025
Conduent
Healthcare · 62,200,000 records
62.2 million people affected in healthcare data breach, third-largest US healthcare hack ever
1 Dec 2025
High1 Dec 2025
NHS England Tech Provider
Healthcare · 900,000 records
Tech provider confirmed data breach affecting NHS England
1 Dec 2025
Medium1 Dec 2025
Organisation not named
Healthcare · 4,000 records
The disclosure as indexed does not name the organisation.
Unauthorized access to behavioral healthcare provider data affecting approximately 4,000 individuals
1 Dec 2025
High1 Dec 2025
NHS England tech provider
Healthcare · 900,000 records
Tech provider for NHS England confirms data breach
1 Dec 2025
High1 Dec 2025
Post Office Limited
Government · Records not stated
Data breach affecting Horizon IT scandal victims; resulted in ICO reprimand for entirely preventable breach
1 Dec 2025
High1 Dec 2025
Petco
Retail · Records not stated
Data breach exposed personal data of customers including names and date of birth across several states
1 Dec 2025
High1 Dec 2025
Rain Bird Corporation
Sector not stated · 24,862 records
Data breach exposed financial information of 24,862 customers on December 11, 2025
1 Dec 2025
High1 Dec 2025
Detroit-based behavioral healthcare provider experienced security incident with
Healthcare · 4,000 records
Detroit-based behavioral healthcare provider experienced security incident with unauthorized access; ~4,000 records impacted
1 Dec 2025
High1 Dec 2025
Leroy Merlin
Retail · Records not stated
Loyalty program data breach affecting customers' personal information
1 Dec 2025
High1 Dec 2025
Post Office Limited
Government · Records not stated
Data breach affecting Horizon IT scandal victims with customer information exposed
1 Dec 2025
Critical1 Dec 2025
SK Telecom
Technology · Records not stated
Massive data leak affecting users; ordered to pay $67 per user compensation
1 Dec 2025
High1 Dec 2025
Rain Bird Corporation
Sector not stated · 24,862 records
Data breach exposed financial information of 24,862 customers of irrigation products manufacturer
1 Dec 2025
High1 Dec 2025
Petco
Retail · Records not stated
Pet supply retailer breach exposed customer personal data including names, dates of birth in several states
1 Dec 2025
Critical1 Dec 2025
Coupang
Retail · Records not stated
South Korea's largest online retailer experienced massive data breach affecting nearly 34 million local users
1 Dec 2025
Critical1 Dec 2025
Marquis Software Solutions
Finance · Records not stated
Ransomware attack exposed 788,000 financial records and sensitive data of bank/credit union customers
1 Dec 2025
High1 Dec 2025
Home Depot
Retail · Records not stated
Exposed private GitHub token gave unauthorized access to private repositories and internal systems for approximately one year
1 Dec 2025
High1 Dec 2025
Petco
Retail · Records not stated
Security lapse exposing customers' personal data
1 Dec 2025
High1 Dec 2025
Leroy Merlin France
Retail · Records not stated
Loyalty program data breach affecting customers
1 Dec 2025
Critical1 Dec 2025
SK Telecom
Technology · Records not stated
Massive data leak; South Korea consumer agency ordered €67 per user compensation
1 Dec 2025
Were you affected?