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.
5,344
Disclosures in the tracker, all years
2,057
Of those, indexed in 2026
118
Added in October
15
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 26 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High1 Jan 2026
Agency
Government · Records not stated
Agency leaked thousands of people's personal information but delayed public notification
1 Jan 2026
High1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Exposed personal information of 700,000 state residents after inadvertent exposure
1 Jan 2026
Critical1 Jan 2026
Exposed sensitive data of 700,000 individuals online
Government · 700,000 records
Exposed sensitive data of 700,000 individuals online
1 Jan 2026
Critical1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Inadvertent exposure of personal information belonging to 700,000 state residents
1 Jan 2026
Critical1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Hackers offering to sell alleged 8 million government records on hacker forum
1 Jan 2026
High1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Hackers breached facility supplying heat to ~50,000 residents via private APN
1 Jan 2026
High1 Jan 2026
CEVA Logistics
Retail · Records not stated
Cyberattack disrupted operations at eight European warehouses affecting retailers and Steam customers
1 Jan 2026
High1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Heat-and-power facility breached via private APN, supplies 50,000 residents
1 Jan 2026
High1 Jan 2026
Thousands of people's personal information
Government · Records not stated
Thousands of people's personal information leaked; agency delayed public notification for months
1 Jan 2026
Critical1 Jan 2026
Puerto Rico Government Agency
Government · Records not stated
1 million social security numbers exposed via cybersecurity loophole in mapping service
1 Jan 2026
High1 Jan 2026
Central Maine Healthcare
Healthcare · 145,381 records
Data breach impacting personal, treatment, and health insurance information of 145,381 patients
1 Jan 2026
High1 Jan 2026
Fried Frank
Legal · Records not stated
Law firm data security incident affecting high-profile clients
1 Jan 2026
Critical1 Jan 2026
French Telecoms
Finance · Records not stated
October 2024 breach compromising personal data of 24+ million individuals, €42 million GDPR fine
1 Jan 2026
High1 Jan 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Yearslong data breach of residents' private health-related information exposed
1 Jan 2026
Critical1 Jan 2026
LiteLLM
Technology · Records not stated
Supply chain attack compromising over 2,500 organizations through distribution of information-stealing malware
1 Jan 2026
High1 Jan 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Years-long data breach of residents' private health-related information affecting state health program beneficiaries
1 Jan 2026
Critical1 Jan 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
High-profile data breach; Montana court cleared path for regulatory enforcement action
1 Jan 2026
High1 Jan 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Yearslong data breach of residents' private health-related information discovered
1 Jan 2026
High1 Jan 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Patient data compromised in third-party vendor breach from 2025 Cerner incident
1 Jan 2026
High1 Jan 2026
HCL Technologies
Technology · Records not stated
Hacker group claimed access to employee data; company stated data may be years-old
1 Jan 2026
High1 Jan 2026
Huntsville Hospital
Healthcare · Records not stated
Patient health information compromised through third-party vendor breach
1 Jan 2026
Critical1 Jan 2026
Instructure
Education · Records not stated
Supply chain breach of Canvas platform generated 58% of all breach notices in 2026
1 Jan 2026
Critical1 Jan 2026
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment, stealing patient health data and intellectual property
1 Jan 2026
High1 Jan 2026
Allstate
Finance · Records not stated
Data breach exposed employee-related records in insurance company cyber incident
1 Jan 2026
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