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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
14
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 19 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
Medium28 Jan 2025
28 Jan 2025
Medium22 Jan 2025
Frame & Optic
Government · 15,678 records
15,678 records exposed, Email addresses, Geographic locations, Names, Phone numbers
22 Jan 2025
Medium17 Jan 2025
MSI
Government · 249,990 records
249,990 records exposed, Email addresses, Names, Phone numbers, Physical addresses and 1 more
17 Jan 2025
High1 Jan 2025
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 heat to ~50,000 residents
1 Jan 2025
High1 Jan 2025
Water utilities (12 states)
Government · Records not stated
Cyberattacks on operational technology across South Dakota, Georgia and 10 other states
1 Jan 2025
High1 Jan 2025
IEH Corporation
Government · Records not stated
Military device manufacturer cyber incident disclosed to SEC affecting satellite/missile/fighter jet components
1 Jan 2025
High1 Jan 2025
North Carolina Ports
Government · Records not stated
Cybersecurity incident forced shift to manual operations during system restoration
1 Jan 2025
High1 Jan 2025
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
200 accounts compromised through suspected SharePoint vulnerabilities in on-premises Microsoft servers
1 Jan 2025
Critical1 Jan 2025
Multiple water utilities
Government · Records not stated
Cyberattacks on operational technology across at least 12 states, allegedly linked to Iran
1 Jan 2025
High1 Jan 2025
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
200 accounts compromised, possibly through SharePoint vulnerabilities in on-premises Microsoft servers
1 Jan 2025
Critical8 Dec 2024
US Treasury (2024)
Government · Records not stated
Chinese state hackers breached Treasury via BeyondTrust vulnerability
8 Dec 2024
High1 Dec 2024
Ontario Courts
Government · Records not stated
Personal information of people involved in Ontario court systems stolen in cyber attack
1 Dec 2024
High1 Nov 2024
Ransomware attack
Government · Records not stated
Ransomware attack exposed personal data of individuals
1 Nov 2024
High1 Nov 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 exposed individual data, notification sent July 2026
1 Nov 2024
High1 Nov 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 affecting individuals, notification letters sent in 2026
1 Nov 2024
High1 Nov 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 compromised personal information of individuals
1 Nov 2024
Critical1 Nov 2024
City of Helsinki
Government · 300,000 records
Up to 300,000 people impacted in data breach affecting personal information
1 Nov 2024
High1 Nov 2024
Ransomware attack
Government · Records not stated
Ransomware attack exposed personal data of individuals
1 Nov 2024
Critical1 Nov 2024
City of Helsinki
Government · 300,000 records
Massive data breach impacted up to 300,000 individuals
1 Nov 2024
High1 Nov 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 affected individuals' data, notification letters mailed
1 Nov 2024
High1 Nov 2024
Ransomware attack in November 2024
Government · Records not stated
Ransomware attack in November 2024 exposed personal data of individuals
1 Nov 2024
High1 Nov 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 exposed personal information of individuals receiving regional center services
1 Nov 2024
High1 Nov 2024
Ransomware attack affecting individuals; notification letters sent
Government · Records not stated
Ransomware attack affecting individuals; notification letters sent
1 Nov 2024
High1 Nov 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 affecting individuals, notification letters sent
1 Nov 2024
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