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.
5,269
Disclosures in the tracker, all years
1,983
Of those, indexed in 2026
29
Added in October
15
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 11 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
4,978 results · Government disclosures. Clear filters
High2 Jun 2021
Massachusetts Steamship Authority
Government · Records not stated
Ransomware disrupted ferry operations
2 Jun 2021
Critical30 May 2021
JBS USA
Government · Records not stated
REvil ransomware shut down largest meat processor, $11M ransom paid
30 May 2021
High17 May 2021
17 May 2021
High12 May 2021
12 May 2021
Critical7 May 2021
Colonial Pipeline
Government · Records not stated
DarkSide ransomware shut down largest US fuel pipeline for 6 days
7 May 2021
High6 May 2021
City of Tulsa OK
Government · Records not stated
Conti ransomware attacked city systems, police citations leaked
6 May 2021
High2 May 2021
Alaska Court System
Government · Records not stated
Unauthorized access to court documents by external attacker
2 May 2021
Critical26 Apr 2021
Washington DC Metropolitan Police
Government · Records not stated
Babuk ransomware leaked personnel files and intelligence data
26 Apr 2021
High23 Apr 2021
Kentucky unemployment system
Government · Records not stated
500K claimant records exposed via vendor breach
23 Apr 2021
High20 Apr 2021
New York MTA
Government · Records not stated
Chinese-linked hackers accessed transit authority networks
20 Apr 2021
Medium18 Mar 2021
California State Controller
Government · Records not stated
9K employee records exposed in phishing
18 Mar 2021
Medium12 Mar 2021
Western Australian Parliament
Government · Records not stated
State parliament email system breached, staff credentials compromised
12 Mar 2021
Medium10 Mar 2021
Rideau Valley Conservation
Government · Records not stated
Ransomware compromised internal systems at Ontario conservation authority
10 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
Were you affected?