Disclosure tracker › Disclosures in 2026
Intelligence · Disclosure tracker
Disclosures in 2026
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.
5,282
Disclosures in the tracker, all years
1,995
Of those, indexed in 2026
41
Added in October
9
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 16 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,949 results · Disclosures in 2026. Clear filters
Critical6 Aug 2026
Conduent
Healthcare · 62,200,000 records
Data breach exposed 62.2 million records, third-largest US healthcare hack
6 Aug 2026
Medium6 Aug 2026
Greene County USA
Government · Records not stated
Tax and court payment systems taken offline by ransomware
6 Aug 2026
Medium6 Aug 2026
Liechtenstein Government Registry
Government · Records not stated
31K beneficial ownership records exposed
6 Aug 2026
High6 Aug 2026
6 Aug 2026
Critical6 Aug 2026
Craneware Healthcare Software
Healthcare · Records not stated
Customer and partner records stolen from hospitals
6 Aug 2026
Medium6 Aug 2026
TruStage Financial Group
Finance · Records not stated
10.6K financial records exposed in network intrusion
6 Aug 2026
High6 Aug 2026
Greene County Government
Government · Records not stated
Tax, court, and payment systems taken offline
6 Aug 2026
High6 Aug 2026
Pennington County State Attorney
Government · Records not stated
Government systems compromised in ransomware attack
6 Aug 2026
High6 Aug 2026
6 Aug 2026
High6 Aug 2026
Organisation not named
Finance · Records not stated
The disclosure as indexed does not name the organisation.
A recent wave of cyberattacks targeting hedge funds, private-equity firms, and other financial organizations has been linked to UNC6671, an extortion group reportedly associated with the BlackFile campaign extortion…
6 Aug 2026
Critical6 Aug 2026
NYC Health + Hospitals
Healthcare · 1,800,000 records
1.8M patient records and biometrics exposed
6 Aug 2026
Medium6 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
North Carolina Ports is recovering from a cyberattack after its IT system was “hacked by an outside actor or group,” requiring a switch to manual processing of operations.
6 Aug 2026
Medium6 Aug 2026
Cedar Crest College
Education · Records not stated
Student and faculty data exfiltrated via ransomware
6 Aug 2026
High6 Aug 2026
6 Aug 2026
Critical6 Aug 2026
Credential Dump Elasticsearch
Sector not stated · Records not stated
24B stolen credential records exposed publicly
6 Aug 2026
High6 Aug 2026
Healthcare Highways
Healthcare · Records not stated
Ransomware attack on US health network provider
6 Aug 2026
High6 Aug 2026
Loyalist College
Education · Records not stated
INC_RANSOM ransomware attack on Canadian college
6 Aug 2026
High6 Aug 2026
CareCloud Health
Healthcare · 350,000 records
350K patient SSNs and payment records stolen from AWS
6 Aug 2026
Critical6 Aug 2026
PNLD UK Police Database
Government · Records not stated
Police and government contact data published on dark web
6 Aug 2026
Critical6 Aug 2026
Craneware Group
Healthcare · Records not stated
Significant volume stolen from US hospital billing systems
6 Aug 2026
Medium6 Aug 2026
Meta AI model
Sector not stated · Records not stated
Meta has become the latest AI company to confirm that one of its models hacked a real organization during cybersecurity testing, as similar incidents continue to emerge following OpenAI'sOpenAI's initial disclosure…
6 Aug 2026
Medium6 Aug 2026
ThreatsDay
Technology · Records not stated
Apparently, opening the thing is now enough. A repo can run before the first prompt, a package can hide among hundreds, and a harmless-looking PDF can finish the job.
This week runs on cheap leverage: exposed servers…
6 Aug 2026
High6 Aug 2026
Pennington County Attorney
Government · Records not stated
Government systems compromised in cyberattack
6 Aug 2026
High6 Aug 2026
6 Aug 2026
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