Disclosure tracker › Government disclosures
Intelligence · Disclosure tracker
Government disclosures
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.
5,299
Disclosures in the tracker, all years
2,012
Of those, indexed in 2026
58
Added in October
15
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 18 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
5,415 results · Government disclosures. Clear filters
High1 Jan 2026
Years-long data breach exposing residents' private health-related information
Government · Records not stated
Years-long data breach exposing residents' private health-related information
1 Jan 2026
Critical1 Jan 2026
IEH Corporation
Government · Records not stated
Microsoft 365 phishing breach exposed mailbox and possibly export-controlled military technology details
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 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.
Inadvertent exposure of personal data 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.
Inadvertent exposure of personal data for 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.
Inadvertent exposure of personal information for over 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.
Inadvertent exposure of personal information belonging to over 700,000 state residents
1 Jan 2026
High1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Cyberattacks on operational technology across water systems in South Dakota, Georgia and 10 other states
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
Oregon DEQ
Government · Records not stated
Department of Environmental Quality leaked thousands of people's personal information
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
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
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
Critical1 Jan 2026
Exposed personal information of 700,000 state residents
Government · Records not stated
Exposed personal information of 700,000 state residents
1 Jan 2026
Critical1 Jan 2026
Inadvertently
Government · Records not stated
Inadvertently exposed personal information of 700,000 state residents
1 Jan 2026
Were you affected?