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.
Critical1 Jan 2026
Instructure Canvas
Education · Records not stated
Supply chain breach generating 58% of all breach notices in 2026
1 Jan 2026
Critical1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Classified networks compromised via China-made malware USB drives; breach undetected for nearly a year
1 Jan 2026
High1 Jan 2026
TrueConf
Technology · Records not stated
Client installers compromised with backdoors after server breach by Head Mare group
1 Jan 2026
High1 Jan 2026
Unnamed Law Firm
Legal · 13,000 records
Law firm breach exposed hospital patient records for approximately 13,000 patients in New Jersey
1 Jan 2026
High1 Jan 2026
Oregon DEQ
Government · Records not stated
Department of Environmental Quality leaked thousands of people's personal information
1 Jan 2026
Critical1 Jan 2026
Coldcard
Technology · Records not stated
Hardware wallet data breach resulting in theft of over $100M worth of bitcoin
1 Jan 2026
High1 Jan 2026
Organisation not named
Finance · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack stole data; hackers confirmed deletion of stolen information
1 Jan 2026
High1 Jan 2026
Framework
Technology · Records not stated
Hackers stole customer names and personal information from computer maker
1 Jan 2026
High1 Jan 2026
Multi-year data breach of residents' health-related information
Government · Records not stated
Multi-year data breach of residents' health-related information
1 Jan 2026
High1 Jan 2026
Uzbekistan Government Agencies
Government · 60,000 records
Cyberattack on government agencies exposing 60,000 records
1 Jan 2026
Critical1 Jan 2026
Multiple Water Utilities
Government · Records not stated
Cyberattacks on operational technology across at least 12 US states; Iranian-linked campaign
1 Jan 2026
High1 Jan 2026
Quantum Health
Healthcare · Records not stated
Healthcare advocacy vendor breach exposed employees' Social Security numbers
1 Jan 2026
High1 Jan 2026
Yearslong breach exposing residents' private health-related information
Healthcare · Records not stated
Yearslong breach exposing residents' private health-related information
1 Jan 2026
High1 Jan 2026
Swiss Federal Government
Government · Records not stated
SharePoint server breach compromised 200 government accounts
1 Jan 2026
High1 Jan 2026
Personal information of thousands
Government · Records not stated
Personal information of thousands leaked; agency delayed public notification for months
1 Jan 2026
High1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Inadvertent exposure of personal data belonging to over 700,000 state residents
1 Jan 2026
Critical1 Jan 2026
Water Utilities (12 states)
Government · Records not stated
Operational technology systems compromised in coordinated attacks across multiple states
1 Jan 2026
High1 Jan 2026
North Carolina Ports
Government · Records not stated
Cyberattack forced shift to manual operations, systems being restored
1 Jan 2026
High1 Jan 2026
Levi Strauss & Co.
Retail · Records not stated
Corporate data stolen through social engineering attack on employees
1 Jan 2026
High1 Jan 2026
Swiss Federal IT Office
Government · Records not stated
Microsoft SharePoint breach compromised 200 government accounts
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 of over 700,000 state residents
1 Jan 2026
High1 Jan 2026
Yearslong breach of residents' private health-related information
Government · Records not stated
Yearslong breach of residents' private health-related information
1 Jan 2026
High1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
200 accounts compromised via anomalies detected in on-premises Microsoft servers, possibly SharePoint vulnerabilities
1 Jan 2026
High1 Jan 2026
Data breach; enforcement action by Montana regulators
Healthcare · Records not stated
Data breach; enforcement action by Montana regulators
1 Jan 2026
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