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.
5,324
Disclosures in the tracker, all years
2,038
Of those, indexed in 2026
86
Added in October
22
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 21 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.
72 incidents from 9 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.
- Canada21 Oct 2026Canadian Crime Stoppers AssociationHow they got in: a supplier or vendor that was compromised first.CBC News
- Canada19 Oct 2026City of HamiltonThe source does not say how they got in.CBC
- 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
- Canada14 Oct 2026Nova Scotia minor hockey communityHow they got in: email made to look like it came from a trusted sender.PNI Atlantic News
High1 Jul 2026
Police National Legal Database
Government · Records not stated
135,000 contact records stolen and leaked on dark web by ExfilSquad hacker group
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patients exposed in PEAR ransomware attack on medical billing systems
1 Jul 2026
High1 Jul 2026
KT (South Korea)
Technology · Records not stated
Personal data breach via illegal base stations causing unauthorized micropayment damages
1 Jul 2026
High1 Jul 2026
Valve
Technology · Records not stated
Steam hardware customer data stolen, affecting European customers
1 Jul 2026
Critical1 Jul 2026
Estée Lauder
Retail · Records not stated
Oracle E-Business Suite breach exposed SSNs, passports, health records via Clop campaign
1 Jul 2026
High1 Jul 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Healthcare advocacy vendor cybersecurity incident exposed employee Social Security numbers
1 Jul 2026
High1 Jul 2026
Levi Strauss
Retail · Records not stated
Corporate data stolen via social engineering attack on 3 employee computers
1 Jul 2026
High1 Jul 2026
Cure Dental
Healthcare · Records not stated
Data breach exposed personally identifiable information of current and former patients
1 Jul 2026
High1 Jul 2026
Allstate
Finance · Records not stated
Data breach exposed employee-related records, part of pattern targeting insurers
1 Jul 2026
High1 Jul 2026
KT
Technology · Records not stated
South Korean telecom breach via illegal base stations, personal data and unauthorized micropayment damages
1 Jul 2026
High1 Jul 2026
Huntsville Hospital Health System
Healthcare · Records not stated
Third-party data breach compromised patient data
1 Jul 2026
Critical1 Jul 2026
Instructure
Education · Records not stated
Canvas platform supply chain breach generating 58% of all breach notices in 2026
1 Jul 2026
Critical1 Jul 2026
Coca-Cola Dairy Operations
Retail · Records not stated
Ransomware attack shut down dairy brand operations; data compromised
1 Jul 2026
High1 Jul 2026
fairlife (Coca-Cola)
Retail · Records not stated
Ransomware attack shut down dairy operations
1 Jul 2026
High1 Jul 2026
Cyberattack on law firm
Legal · 13,000 records
Cyberattack on law firm exposed hospital records for nearly 13,000 patients in New Jersey
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patients exposed in PEAR ransomware attack on medical billing system
1 Jul 2026
Critical1 Jul 2026
Coca-Cola (fairlife)
Retail · Records not stated
Ransomware attack shut down dairy operations
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing company; 1.26 million patient records exposed in PEAR ransomware attack
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patient records exposed in PEAR ransomware attack on healthcare billing company
1 Jul 2026
High1 Jul 2026
River Bank & Trust
Finance · Records not stated
Data stolen in ransomware attack; hackers confirmed data deletion
1 Jul 2026
High1 Jul 2026
Law firm (unnamed)
Legal · 13,000 records
Cyberattack exposed hospital patient records for 13,000 patients in New Jersey to hackers
1 Jul 2026
Critical1 Jul 2026
Instructure Canvas
Education · Records not stated
Supply chain breach generated 58% of 2026 breach notices
1 Jul 2026
Critical1 Jul 2026
Coldcard
Technology · Records not stated
Data breach at Toronto bitcoin hardware wallet company; over $100M in bitcoin stolen
1 Jul 2026
High1 Jul 2026
Exact Sciences/Abbott Diagnostics
Healthcare · Records not stated
Data breach exposed sensitive patient information from at-home diagnostic tests
1 Jul 2026
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