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.
5,346
Disclosures in the tracker, all years
2,059
Of those, indexed in 2026
117
Added in October
14
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 26 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Critical1 Nov 2025
Multiple (Extensive Password Leak)
Technology · Records not stated
1.3 billion unique passwords exposed in extensive data leak
1 Nov 2025
Critical1 Nov 2025
Multiple (Credential Leak)
Technology · Records not stated
1.3 billion unique passwords exposed in extensive data breach
1 Nov 2025
Critical1 Nov 2025
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
1.3 billion unique passwords exposed in extensive data leak
1 Nov 2025
Critical1 Nov 2025
Large Password Database
Technology · Records not stated
1.3 billion unique passwords exposed in extensive data leak
1 Nov 2025
Critical1 Nov 2025
Real Estate Tech Vendor
Finance · Records not stated
Cyberattack exposing JPMorgan, Citi, Morgan Stanley client data
1 Nov 2025
High1 Nov 2025
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Donor records and personal information accessed by unauthorized party
1 Nov 2025
Critical1 Nov 2025
Organisation not named
Finance · Records not stated
The disclosure as indexed does not name the organisation.
Real-estate lender technology vendor cyberattack compromised client sensitive data
1 Nov 2025
High1 Nov 2025
Harvard Development Office
Education · Records not stated
Unauthorized access to information systems exposed donor records and personal information
1 Nov 2025
High1 Nov 2025
Doctor Alliance
Healthcare · Records not stated
Hacked by threat actor who listed data for sale; second breach by same threat actor
1 Nov 2025
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
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