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.
5,336
Disclosures in the tracker, all years
2,049
Of those, indexed in 2026
104
Added in October
24
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 24 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
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
Critical1 Dec 2025
Credential Breach (Multiple Sources)
Technology · 2,000,000,000 records
2 billion emails and 1.2 billion passwords compromised in massive data compilation
1 Dec 2025
Critical1 Dec 2025
Unknown (Compiled Data)
Technology · 2,000,000,000 records
2 billion emails and 1.2 billion passwords compromised in massive compilation
1 Dec 2025
Critical1 Dec 2025
Compiled Credential Database
Technology · 2,000,000,000 records
2 billion emails and 1.2 billion passwords compromised
1 Dec 2025
Critical1 Dec 2025
Multiple (Credential Compilation)
Sector not stated · 2,000,000,000 records
2 billion emails and 1.2 billion passwords compromised in massive compilation
1 Dec 2025
High1 Dec 2025
Marquis (Fintech)
Finance · Records not stated
Ransomware attack exposed banking customer data including personal information and financial records
1 Dec 2025
Critical1 Dec 2025
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 company
1 Dec 2025
High1 Dec 2025
T-Mobile
Technology · Records not stated
Data breach affecting hundreds of thousands in Washington state
1 Dec 2025
Critical1 Dec 2025
Ernst & Young
Legal · Records not stated
Names, addresses, Social Security numbers, and financial data stolen from third-party platform
1 Dec 2025
High1 Dec 2025
Abbott Laboratories
Healthcare · Records not stated
Cyber incident investigating potential data exposure
1 Dec 2025
Critical1 Dec 2025
Mexican Government Agencies
Government · Records not stated
Single hacker exploited Claude Code and OpenAI tools to breach 9 federal agencies, millions of records stolen
1 Dec 2025
High1 Dec 2025
KT Corp
Technology · Records not stated
Rogue femtocell breach exposed 16,647 subscribers; SMS payment credentials stolen
1 Dec 2025
Were you affected?