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.
5,306
Disclosures in the tracker, all years
2,020
Of those, indexed in 2026
69
Added in October
19
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 20 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.
68 incidents from 12 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.
- Canada16 Oct 2026McMurray MétisHow they got in: email made to look like it came from a trusted sender.Yahoo News Canada
- Canada2 Oct 2026Kingston PoliceHow they got in: stolen or reused passwords.Global News
Critical1 Aug 2026
French Tax Authority
Government · Records not stated
670,000 French taxpayers' personal and tax data stolen and offered online
1 Aug 2026
High1 Aug 2026
Police National Legal Database
Government · Records not stated
135,000 contact records stolen by ExfilSquad, leaked on dark web
1 Aug 2026
Critical1 Aug 2026
Thailand's Digital Ministry
Government · Records not stated
221 million exposed login records identified in government systems
1 Aug 2026
High1 Aug 2026
Alation
Technology · Records not stated
Unauthorized access to systems confirmed; data search and AI company investigating breach
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · 3,700,000 records
3.7M patients' medical records stolen in cyberattack, one of largest healthcare breaches this year
1 Aug 2026
Critical1 Aug 2026
Conduent
Healthcare · 62,200,000 records
62.2 million people affected; third-largest US healthcare breach ever
1 Aug 2026
High1 Aug 2026
Data breach
Legal · 1,687 records
Data breach exposed personal information of 1,687 people including SSNs and health records
1 Aug 2026
High1 Aug 2026
Nova Scotia Power
Sector not stated · Records not stated
Three decades of customer information hacked; digital copy was not deleted as planned
1 Aug 2026
High1 Aug 2026
French Tax Authority
Government · Records not stated
More than 670,000 French taxpayers' personal and tax information stolen and offered online
1 Aug 2026
High1 Aug 2026
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment stealing patient health information and proprietary company data
1 Aug 2026
Critical1 Aug 2026
Thailand Digital Ministry
Government · Records not stated
221 million exposed login records from state systems identified, MFA mandate sought
1 Aug 2026
High1 Aug 2026
Comcast (Xfinity)
Technology · 35,000,000 records
Cyberattack exposed personal information of Xfinity customers; $117.5 million settlement reached
1 Aug 2026
Critical1 Aug 2026
Heights Finance
Finance · 1,200,000 records
At least 1.2 million individuals impacted; names, addresses, phone numbers, Social Security numbers and financial information stolen
1 Aug 2026
High1 Aug 2026
SafePal
Technology · 39,798 records
39,798 customers exposed with names, addresses, and phone numbers leaked
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · 3,700,000 records
3.7 million patients' medical records stolen in data breach, one of largest healthcare breaches this year
1 Aug 2026
High1 Aug 2026
Apollo
Finance · Records not stated
Private equity firm confirms data breach amid hacking wave targeting financial companies
1 Aug 2026
Critical1 Aug 2026
Conduent
Healthcare · 62,200,000 records
Data breach affects 62.2 million people, third-largest US healthcare hack ever
1 Aug 2026
High1 Aug 2026
Corporation Service Company (CSC)
Legal · Records not stated
Data breach exposed personal information prompting class action investigation
1 Aug 2026
High1 Aug 2026
Pokémon Center
Retail · Records not stated
Third-party data breach exposed customer information in UK and Germany
1 Aug 2026
High1 Aug 2026
Nova Scotia Power
Sector not stated · Records not stated
Three decades of customer information was hacked and not deleted as planned
1 Aug 2026
Critical1 Aug 2026
French Tax Authority
Government · Records not stated
Personal and tax information of 670,000 French taxpayers stolen
1 Aug 2026
Critical1 Aug 2026
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
Prolific hacking group claimed mass data theft from multiple organizations
1 Aug 2026
High1 Aug 2026
Uber Freight
Technology · Records not stated
Hacking group claimed data breach at Uber Freight logistics division
1 Aug 2026
High1 Aug 2026
Police National Legal Database
Government · Records not stated
Data theft confirmed; 135,000 contact records leaked on dark web by ExfilSquad
1 Aug 2026
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