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.
- Canada23 Oct 2026Crime Stoppers programs in OntarioHow they got in: a supplier or vendor that was compromised first.Global News
- Canada22 Oct 2026Toronto Crime StoppersHow they got in: a supplier or vendor that was compromised first.Global News
- Canada21 Oct 2026Canadian Crime Stoppers AssociationHow they got in: a supplier or vendor that was compromised first.CBC News
- Canada17 Oct 2026More RewardsThe source does not say how they got in.CTV News
- Canada16 Oct 2026McMurray MétisHow they got in: email made to look like it came from a trusted sender.Yahoo News Canada
Critical1 Oct 2025
Canadian Tire
Retail · 38,000,000 records
38 million customer accounts breached; personal data, contact details, and encrypted passwords exposed in October 2025
1 Oct 2025
Critical1 Oct 2025
Salesforce
Technology · 1,000,000,000 records
Hacking group claims theft of 1 billion records from customer databases
1 Oct 2025
High1 Oct 2025
Qantas Airways
Sector not stated · Records not stated
Personal data of customers leaked online after being stolen in July 2025 cyberattack
1 Oct 2025
High1 Oct 2025
Capita
Sector not stated · Records not stated
Data breach resulting in £14 million fine from UK ICO for GDPR infringements
1 Oct 2025
High1 Oct 2025
Vietnam Airlines
Sector not stated · Records not stated
Data breach linked to global cyberattack affecting major companies including Qantas
1 Oct 2025
Critical1 Oct 2025
Qantas
Sector not stated · 5,000,000 records
5 million customer records leaked by Scattered Lapsus$ Hunters after ransom deadline passed
1 Oct 2025
Critical1 Oct 2025
Blue Cross Blue Shield
Healthcare · Records not stated
Massive data breach of healthcare provider; company allegedly delayed reporting
1 Oct 2025
Critical1 Oct 2025
Canadian Tire
Retail · 38,000,000 records
E-commerce database breach exposed personal data and encrypted passwords of 38 million accounts
1 Oct 2025
Critical1 Oct 2025
Capita
Sector not stated · 6,600,000 records
6.6 million records exposed due to 58-hour delay in breach response, resulting in £14M fine
1 Oct 2025
High1 Oct 2025
Salesforce
Technology · Records not stated
Attackers used social engineering and OAuth exploits to breach customer data
1 Oct 2025
High1 Oct 2025
Capita
Sector not stated · Records not stated
Customer data breach resulting in ICO fine of £14 million for GDPR infringements
1 Oct 2025
Critical1 Oct 2025
Canadian Tire
Retail · 38,000,000 records
E-commerce database breach exposed names, addresses, emails, birth years of 38 million customer accounts
1 Oct 2025
Critical1 Oct 2025
PNC Financial Services Group
Finance · 740,000 records
Data breach exposed 740,000 records of personally identifiable information; class action filed.
1 Oct 2025
Critical1 Oct 2025
Unlimited Technology Systems
Healthcare · Records not stated
Revenue cycle management provider breach exposed 3.8 million healthcare patients' information including personal and medical data.
1 Oct 2025
High1 Oct 2025
Motility
Technology · Records not stated
Ransomware attack where hackers encrypted servers supporting car dealership software operations
1 Oct 2025
High1 Oct 2025
Salesforce
Technology · Records not stated
Attackers used social engineering and OAuth exploits to breach systems and access customer data
1 Oct 2025
High1 Oct 2025
Mango
Retail · Records not stated
Spanish fast-fashion retailer; limited customer information exposed via external marketing provider breach
1 Oct 2025
Critical1 Oct 2025
Canadian Tire
Retail · 38,000,000 records
38 million customer accounts exposed including names, addresses, emails, birth years, encrypted passwords
1 Oct 2025
Critical1 Oct 2025
PNC Financial Services Group
Finance · 740,000 records
Data breach exposing 740,000 customer records with inadequate security measures
1 Oct 2025
Critical1 Oct 2025
Unlimited Technology Systems
Healthcare · Records not stated
Revenue cycle management provider exposed 3.8 million healthcare patients' information
1 Oct 2025
Critical1 Oct 2025
Multiple (Email Password Leak)
Technology · 183,000,000 records
183 million email passwords exposed including tens of millions Gmail accounts
1 Oct 2025
High1 Oct 2025
U.S. Government
Government · 53,070 records
Password exposure revealed 53,070 passwords associated with U.S. government email domains exposed since 2024
1 Oct 2025
Critical1 Oct 2025
Multiple (Email Passwords)
Technology · 183,000,000 records
183 million email passwords exposed, including tens of millions Gmail accounts
1 Oct 2025
Critical1 Oct 2025
Unknown (Email providers)
Technology · 183,000,000 records
183 million email passwords exposed, including tens of millions Gmail accounts
1 Oct 2025
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