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
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
200 accounts compromised due to Microsoft SharePoint vulnerabilities in on-premises servers
1 Jan 2026
High1 Jan 2026
Water utilities (12 states)
Government · Records not stated
Cyberattacks on operational technology systems across South Dakota, Georgia and 10 other states
1 Jan 2026
High1 Jan 2026
Data breach
Government · Records not stated
Data breach leaked thousands of people's personal information
1 Jan 2026
High1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Yearslong data breach of residents' private health-related information reported in January 2026
1 Jan 2026
High1 Jan 2026
Yearslong data breach
Government · Records not stated
Yearslong data breach exposed residents' private health-related information
1 Jan 2026
High1 Jan 2026
Multi-year data breach of residents' private health-related information
Government · Records not stated
Multi-year data breach of residents' private health-related information
1 Jan 2026
Critical1 Jan 2026
Armenia Government
Government · Records not stated
Alleged sale of 8M government records on hacker forum; authorities launched investigation
1 Jan 2026
Critical1 Jan 2026
Armenian Government
Government · Records not stated
Hackers offered 8 million government records for sale on hacker forum
1 Jan 2026
High1 Jan 2026
Yearslong data breach of residents' private health-related information
Government · Records not stated
Yearslong data breach of residents' private health-related information
1 Jan 2026
High26 Dec 2025
Utair
Government · 401,400 records
401,400 records exposed, Dates of birth, Email addresses, Genders, Loyalty program details and 4 more
26 Dec 2025
High1 Dec 2025
Post Office Limited
Government · Records not stated
Data breach affecting Horizon IT scandal victims; resulted in ICO reprimand for entirely preventable breach
1 Dec 2025
High1 Dec 2025
Post Office Limited
Government · Records not stated
Data breach affecting Horizon IT scandal victims with customer information exposed
1 Dec 2025
High1 Dec 2025
Post Office Limited
Government · Records not stated
Entirely preventable data breach affecting Horizon IT scandal victims
1 Dec 2025
High1 Dec 2025
Post Office Limited
Government · Records not stated
Data breach of Horizon IT scandal victims' personal information; entirely preventable according to ICO
1 Dec 2025
High1 Dec 2025
Post Office Limited
Government · Records not stated
Preventable data breach affecting Horizon IT scandal victims
1 Dec 2025
High1 Dec 2025
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Inadvertent exposure of personal information for 700K state residents
1 Dec 2025
High1 Dec 2025
Post Office Limited
Government · Records not stated
Preventable data breach exposing Horizon IT scandal victims' personal information
1 Dec 2025
High1 Dec 2025
Post Office Limited
Government · Records not stated
Data breach resulted in accidental publishing of personal data of Horizon IT scandal victims
1 Dec 2025
Critical1 Dec 2025
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
1 million Social Security numbers exposed through cybersecurity loophole in government mapping service
1 Dec 2025
Critical1 Dec 2025
Mexican Government Agencies
Government · Records not stated
Single hacker exploited Claude Code and OpenAI tools to breach 9 federal agencies, millions of records stolen
1 Dec 2025
High1 Dec 2025
Water utilities (12 states)
Government · Records not stated
Cyberattacks on operational technology systems across at least 12 US states including South Dakota and Georgia
1 Dec 2025
High1 Dec 2025
North Carolina Ports Authority
Government · Records not stated
Cyberattack disrupted IT systems and operations at Port of Wilmington; systems being restored
1 Dec 2025
Critical1 Dec 2025
Mexican Government (9 agencies)
Government · Records not stated
Multiple federal agencies compromised using Claude Code and ChatGPT, millions of records stolen
1 Dec 2025
High1 Dec 2025
Thailand Ministry of Finance
Government · Records not stated
Hackers used autonomous AI agent for cyber-espionage campaign against finance ministry
1 Dec 2025
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