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.
5,339
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.
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.
- Russia23 Oct 2026PingCAPHow they got in: stolen or reused passwords.SecurityWeek
High14 Aug 2026
Unnamed Canadian Credit Firm
Finance · 28,000 records
28K customers, 55GB financial PII stolen
14 Aug 2026
High14 Aug 2026
Portable Intelligence
Technology · Records not stated
Canadian software firm breached by BlackNevas
14 Aug 2026
Critical14 Aug 2026
Brightspeed
Technology · 1,000,000 records
1M+ customer records stolen by Crimson Collective
14 Aug 2026
Critical14 Aug 2026
Canadian Inv Regulatory Org
Finance · Records not stated
750K investors' SINs and financials stolen
14 Aug 2026
High14 Aug 2026
Polish Heat-and-Power Plant
Government · Records not stated
Breached via private APN; facility supplies heat to ~50,000 residents
14 Aug 2026
High14 Aug 2026
Nissan
Sector not stated · Records not stated
Data breach involving third-party vendor with stolen data claims
14 Aug 2026
High14 Aug 2026
Fidelity Investments
Finance · Records not stated
Data breach with $2.5 million class-action settlement for eligible customers
14 Aug 2026
Critical14 Aug 2026
Change Healthcare (UnitedHealth Group)
Healthcare · 100,000,000 records
2024 ransomware attack exposed millions of patients' health and insurance data
14 Aug 2026
High14 Aug 2026
Ernst & Young
Legal · Records not stated
Data breach exposed client tax records and personal financial information; class action investigation underway
14 Aug 2026
Critical14 Aug 2026
Abbott Exact Sciences
Healthcare · 10,900,000 records
10.9M emails and health records dumped publicly
14 Aug 2026
Critical14 Aug 2026
Comcast
Technology · 35,000,000 records
Data breach exposed personal information from Xfinity customers; $117.5M settlement
14 Aug 2026
Medium14 Aug 2026
CF Supply
Sector not stated · Records not stated
Akira ransomware hit Texas construction supplier
14 Aug 2026
Critical14 Aug 2026
DHS Homeland Security Network
Government · Records not stated
Unclassified HSIN platform confirmed breached
14 Aug 2026
Critical14 Aug 2026
Abbott Cancer Diagnostics
Healthcare · 10,900,000 records
10.9M emails and health records dumped
14 Aug 2026
High14 Aug 2026
FRANCE TRAVAIL
Government · Records not stated
Hackers accessed information system in Q1 2024, organization fined €5 million by CNIL.
14 Aug 2026
Critical14 Aug 2026
Instructure Canvas platform
Education · Records not stated
Supply chain breach on Canvas platform generating 58% of all breach notices in 2026 affecting education sector widely
14 Aug 2026
Critical14 Aug 2026
Comcast
Technology · 35,000,000 records
Cyberattack exposed personal information of Xfinity customers; settled for $117.5 million
14 Aug 2026
High14 Aug 2026
Philips Healthcare Tech
Healthcare · Records not stated
13.5GB blueprints and diagrams exfiltrated by Cl0p
14 Aug 2026
Critical14 Aug 2026
Shell Global
Sector not stated · Records not stated
89GB engineering and facility data exfiltrated by Cl0p
14 Aug 2026
Critical14 Aug 2026
U.S. Federal Government Agencies
Government · Records not stated
Thousands of civil servants' passwords exposed, including White House-linked credentials
14 Aug 2026
High14 Aug 2026
River Bank & Trust
Finance · Records not stated
Ransomware attack; hackers deleted stolen data after receiving deletion confirmation
14 Aug 2026
High14 Aug 2026
Comcast Xfinity
Technology · 35,000,000 records
Cyberattack exposed personal information of Xfinity customers; $117.5M settlement reached
14 Aug 2026
Medium14 Aug 2026
Hinman Straub
Legal · Records not stated
US law and government relations firm breached by Storm
14 Aug 2026
High14 Aug 2026
Hitachi High-Tech
Technology · Records not stated
Industrial and tech data exfiltrated by CoinbaseCartel
14 Aug 2026
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