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
Habib Bank AG Zurich
Finance · Records not stated
Russian hackers breached bank stealing 2.5TB of data including customer records and internal documents
1 Nov 2025
Critical1 Nov 2025
SitusAMC
Finance · Records not stated
Breach exposed data from over 100 financial institutions, third-party risk exposure
1 Nov 2025
High1 Nov 2025
Washington Post
Technology · Records not stated
Data breach linked to Oracle hacks
1 Nov 2025
Critical1 Nov 2025
Asahi
Sector not stated · 1,500,000 records
Ransomware attack exposed data of 1.5 million people including names, addresses, phone numbers
1 Nov 2025
High1 Nov 2025
Harvard University
Education · Records not stated
Alumni Affairs and Development Office systems accessed, donor records and personal information exposed
1 Nov 2025
Critical1 Nov 2025
Change Healthcare
Healthcare · 100,000,000 records
Cybersecurity breach impacting US healthcare operations and claims adjudication
1 Nov 2025
High1 Nov 2025
SitusAMC
Finance · Records not stated
Data breach impacting JPMorgan, Citi, and Morgan Stanley; vendor-related incident in financial services
1 Nov 2025
Critical1 Nov 2025
Pajemploi
Government · 1,200,000 records
Data breach exposing up to 1.2 million individuals' information at French government agency
1 Nov 2025
High1 Nov 2025
Asahi
Sector not stated · 1,500,000 records
Ransomware attack exposed data of 1.5 million people including names, gender, addresses, phone numbers
1 Nov 2025
High1 Nov 2025
New Hampshire Supreme Court
Legal · Records not stated
13 years of case files exposed; stranger had unauthorized access to court records for extended period
1 Nov 2025
Critical1 Nov 2025
Pajemploi
Government · 1,200,000 records
Data breach exposed information of over 1.2 million individuals at French agency
1 Nov 2025
High1 Nov 2025
Harvard University
Education · Records not stated
Alumni Affairs and Development Office systems accessed; exposed donor records and personal information
1 Nov 2025
Critical1 Nov 2025
TriZetto Provider Solutions
Healthcare · 3,400,000 records
Unauthorized IT environment access exposed PHI of 3.4M individuals
1 Nov 2025
High1 Nov 2025
Ernst & Young
Sector not stated · Records not stated
Data breach disclosed in weekly breach news roundup
1 Nov 2025
Critical1 Nov 2025
Pajemploi
Government · 1,200,000 records
Data breach affecting 1.2 million people including social security information
1 Nov 2025
High1 Nov 2025
Banking Industry Vendor
Finance · Records not stated
Cyberattack compromised sensitive data of multiple banking clients
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
Critical1 Nov 2025
SitusAMC
Finance · Records not stated
Data breach affecting JPMorgan, Citi, Morgan Stanley; vendor-related incident impacting financial services
1 Nov 2025
Critical1 Nov 2025
Coupang
Retail · 33,700,000 records
33.7 million customers' personal information exposed in data breach
1 Nov 2025
High1 Nov 2025
Unauthorized access to alumni and donor records
Education · Records not stated
Unauthorized access to alumni and donor records
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 records and personal information
1 Nov 2025
High1 Nov 2025
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Unauthorized party accessed information systems; donor records and personal information exposed
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 personal records
1 Nov 2025
Critical1 Nov 2025
Multiple Providers
Technology · Records not stated
1.3 billion unique passwords exposed in extensive data leak
1 Nov 2025
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