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.
5,549
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.
High1 Dec 2025
Post Office Limited
Government · Records not stated
Preventable data breach affecting Horizon IT scandal victims
1 Dec 2025
High1 Dec 2025
SK Telecom
Sector not stated · Records not stated
Massive data leak affecting multiple users; ordered to pay compensation
1 Dec 2025
High1 Dec 2025
Petco
Retail · Records not stated
Data breach exposed personal data of customers including names and date of birth
1 Dec 2025
Critical1 Dec 2025
Coupang
Retail · Records not stated
Massive data breach potentially involving nearly 34 million local customer records
1 Dec 2025
High1 Dec 2025
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Inadvertent exposure of personal information for 700K state residents
1 Dec 2025
Critical1 Dec 2025
LastPass
Technology · 1,600,000 records
Data breach affecting 1.6 million people, UK fined £1.2 million
1 Dec 2025
High1 Dec 2025
Illuminate Education
Education · Records not stated
Data breach affecting Wisconsin edtech company, settled with FTC
1 Dec 2025
High1 Dec 2025
Leroy Merlin France
Retail · Records not stated
Loyalty program data breach exposed customer data
1 Dec 2025
High1 Dec 2025
Post Office Limited
Government · Records not stated
Preventable data breach exposing Horizon IT scandal victims' personal information
1 Dec 2025
High1 Dec 2025
SK Telecom
Technology · Records not stated
Massive data leak affecting users, resulted in compensation ordered by Korean consumer agency
1 Dec 2025
Critical1 Dec 2025
Coupang
Retail · Records not stated
Massive data leak potentially involving nearly 34 million local customers in South Korea
1 Dec 2025
Critical1 Dec 2025
Marquis Software Solutions
Finance · Records not stated
Unauthorized access to 788,000 financial records of bank and credit customers
1 Dec 2025
High1 Dec 2025
Leroy Merlin France
Retail · Records not stated
Loyalty program data breach disclosed, customer data exposed in December 2025
1 Dec 2025
High1 Dec 2025
Post Office Limited
Government · Records not stated
Data breach resulted in accidental publishing of personal data of Horizon IT scandal victims
1 Dec 2025
High1 Dec 2025
DXS International
Healthcare · Records not stated
Healthcare tech provider for NHS England suffered ransomware attack and confirmed data breach
1 Dec 2025
Medium1 Dec 2025
Rain Bird
Sector not stated · 24,862 records
24,862 customers' financial information exposed
1 Dec 2025
Critical1 Dec 2025
Marquis Software Solutions
Finance · Records not stated
Ransomware attack exposed 788,000 financial records from bank and credit union customers
1 Dec 2025
High1 Dec 2025
Singing River Health System
Healthcare · 54,000 records
Ransomware attack by Anubis gang impacted 54,000 patients with stolen sensitive medical information
1 Dec 2025
High1 Dec 2025
Rain Bird
Sector not stated · 24,862 records
Data breach exposed financial information of 24,862 customers
1 Dec 2025
Medium1 Dec 2025
Rain Bird Corporation
Sector not stated · 24,862 records
Data breach exposed financial information of 24,862 customers
1 Dec 2025
High1 Dec 2025
Petco
Retail · Records not stated
Customer personal data including names and dates of birth exposed
1 Dec 2025
Critical1 Dec 2025
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
1 million Social Security numbers exposed through cybersecurity loophole in government mapping service
1 Dec 2025
High1 Dec 2025
Huntsville Hospital
Healthcare · Records not stated
Third-party vendor breach compromised patient health information
1 Dec 2025
Critical1 Dec 2025
Massive Credential Compilation
Sector not stated · 2,000,000,000 records
2 billion emails and 1.2 billion passwords compromised in massive compilation leak
1 Dec 2025
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