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
68
Added in October
18
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.
65 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.
- Hong Kong16 Oct 2026AOMEI Backupper usersHow they got in: a supplier or vendor that was compromised first.The Hacker News
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
High14 Aug 2026
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
Hackers breached heat-and-power facility supplying 50,000 residents via private APN access point
14 Aug 2026
High14 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Patient health information compromised in 2025 breach affecting hospital system
14 Aug 2026
Critical14 Aug 2026
Exposed Credential Elasticsearch DB
Technology · Records not stated
24B stolen credentials exposed publicly
14 Aug 2026
High14 Aug 2026
14 Aug 2026
Critical14 Aug 2026
US Homeland Security
Government · Records not stated
HSIN government network confirmed breached
14 Aug 2026
Critical14 Aug 2026
Snowflake Customer Cluster
Technology · 165,000,000 records
165 orgs breached, billions of records stolen
14 Aug 2026
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