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
High1 Nov 2025
SitusAMC
Finance · Records not stated
Technology vendor breach compromising sensitive personal information of banking clients' customers
1 Nov 2025
High1 Nov 2025
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Unauthorized access to information systems exposed donor and alumni records
1 Nov 2025
High1 Nov 2025
Unauthorized access to information systems
Education · Records not stated
Unauthorized access to information systems exposed donor records and personal information
1 Nov 2025
High1 Nov 2025
Harvard University Development Office
Education · Records not stated
Unauthorized access to Alumni Affairs and Development Office systems exposed donor records
1 Nov 2025
Critical1 Nov 2025
Multiple Sources (Extensive Leak)
Technology · Records not stated
1.3 billion unique passwords exposed in extensive data breach compilation
1 Nov 2025
High1 Nov 2025
Intel
Technology · 18,000 records
Insider threat resulted in theft of approximately 18,000 files
1 Nov 2025
High1 Nov 2025
Banking Industry Vendor
Finance · Records not stated
Cyberattack compromised sensitive data of multiple banking clients, vendor responding to attack
1 Nov 2025
Critical1 Nov 2025
Large Email/Password Database
Sector not stated · 2,000,000,000 records
1.3 billion unique passwords and 2 billion emails exposed in massive credential leak compilation
1 Nov 2025
High1 Nov 2025
Harvard University
Education · Records not stated
Unauthorized access to Alumni Affairs and Development Office systems exposed donor records
1 Nov 2025
High1 Nov 2025
Harvard University (Development Office)
Education · Records not stated
Unauthorized access to Alumni Affairs and Development Office information systems exposed donor records
1 Nov 2025
Critical1 Nov 2025
JSONFormatter & CodeBeautify
Technology · Records not stated
5GB of leaked credentials exposing passwords and API keys across critical sectors
1 Nov 2025
High1 Nov 2025
North Carolina Ports
Government · Records not stated
Cyberattack forced shift to manual operations; systems restoration ongoing
1 Nov 2025
High1 Nov 2025
Post Office Limited
Government · Records not stated
Data breach of Horizon IT scandal victims' personal information ruled 'entirely preventable'
1 Nov 2025
Critical1 Nov 2025
Multiple (Password Leak)
Technology · Records not stated
1.3 billion unique passwords exposed in extensive data breach
1 Nov 2025
High1 Nov 2025
Unauthorized access
Education · Records not stated
Unauthorized access exposed donor records and personal information of alumni
1 Nov 2025
High1 Nov 2025
JSONFormatter and CodeBeautify
Technology · Records not stated
5GB of leaked credentials exposed passwords and API keys across critical sectors
1 Nov 2025
High1 Nov 2025
FirstClass
Sector not stated · Records not stated
Australian travel agency hit by alleged data breach with customer records compromised according to threat actor claims on underground forums.
1 Nov 2025
Critical1 Nov 2025
Coupang
Retail · 33,700,000 records
Data breach exposed personal information of 33.7 million customers in South Korea
1 Nov 2025
Critical1 Nov 2025
Pajemploi
Government · 1,200,000 records
French social security service for childcare suffered data breach affecting 1.2 million people
1 Nov 2025
High27 Oct 2025
MyVidster (2025)
Technology · 3,864,364 records
3,864,364 records exposed, Email addresses, Profile photos, Usernames
27 Oct 2025
Critical16 Oct 2025
Prosper
Finance · 17,605,276 records
17,605,276 records exposed, Browser user agent details, Credit status information, Dates of birth, Email addresses and 6 more
16 Oct 2025
Medium15 Oct 2025
Hello Cake
Healthcare · 22,907 records
22,907 records exposed, Dates of birth, Email addresses, Names, Phone numbers and 2 more
15 Oct 2025
High11 Oct 2025
Vietnam Airlines
Retail · 7,316,915 records
7,316,915 records exposed, Dates of birth, Email addresses, Loyalty program details, Names and 1 more
11 Oct 2025
High7 Oct 2025
Adpost
Technology · 3,339,512 records
3,339,512 records exposed, Email addresses, Names, Usernames
7 Oct 2025
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