Weekly briefing No. 41 published 4 Oct 2026
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.

5,273
Disclosures in the tracker, all years
1,986
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.

4,907 results · Government disclosures. Clear filters

High14 Nov 2023
400K resident records exposed in cyberattack
Government · Records not stated
400K resident records exposed in cyberattack
14 Nov 2023
High14 Nov 2023
400K resident records exposed in cyberattack
Government · Records not stated
400K resident records exposed in cyberattack
14 Nov 2023
High14 Nov 2023
400K resident records exposed in cyberattack
Government · Records not stated
400K resident records exposed in cyberattack
14 Nov 2023
High14 Nov 2023
Concevis (Switzerland)
Government · Records not stated
Swiss IT provider breach exposed Federal Tax Administration and military data
14 Nov 2023
High14 Nov 2023
400K resident records exposed in cyberattack
Government · Records not stated
400K resident records exposed in cyberattack
14 Nov 2023
Critical10 Nov 2023
Trans-Northern Pipelines
Government · Records not stated
ALPHV/BlackCat claimed data theft from pipeline operator
10 Nov 2023
High8 Nov 2023
City of Hamilton OH
Government · Records not stated
Ransomware attack crippled city services
8 Nov 2023
High2 Nov 2023
Northwest Territories Government
Government · Records not stated
Ransomware disrupted territorial government IT, healthcare and services impacted
2 Nov 2023
Critical30 Oct 2023
South Westphalia IT (Germany)
Government · Records not stated
Ransomware crippled IT provider for 72 German municipalities, services offline for months
30 Oct 2023
Medium29 Oct 2023
Tulsa OK water utility
Government · 18,000 records
18K customer records exposed in cyberattack
29 Oct 2023
High24 Oct 2023
City of Allentown PA
Government · Records not stated
165K resident records exposed in ransomware
24 Oct 2023
Medium15 Oct 2023
Rock County WI
Government · Records not stated
28K county records exposed in data breach
15 Oct 2023
Critical12 Oct 2023
Kansas Courts
Government · Records not stated
Ransomware took down statewide court filing system
12 Oct 2023
High9 Oct 2023
Bucks County PA 911
Government · Records not stated
Cyberattack disrupted county emergency dispatch system
9 Oct 2023
Medium8 Oct 2023
City of Montgomery AL
Government · 38,000 records
38K records exposed in ransomware
8 Oct 2023
High3 Oct 2023
City of Valdosta GA
Government · Records not stated
Ransomware disrupted city systems
3 Oct 2023
Critical1 Oct 2023
Japan Aerospace Agency
Government · Records not stated
October 2023 data breach leveraging VPN and Microsoft 365 security holes; attributed to Chinese state actors
1 Oct 2023
Critical1 Oct 2023
Japan Aerospace Agency (JAXA)
Government · Records not stated
October 2023 data breach leveraging VPN and Microsoft 365 security holes, attributed to Chinese state actors
1 Oct 2023
Critical1 Oct 2023
Japan Aerospace Agency
Government · Records not stated
October data breach leveraged VPN and Microsoft 365 security holes, attributed to Chinese state actors
1 Oct 2023
High1 Oct 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Unauthorized access to systems; attack leveraged VPN and Microsoft 365 security holes, attributed to Chinese state actors
1 Oct 2023
Critical1 Oct 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Unauthorized access to systems with data compromise, attributed to state actors exploiting VPN and Microsoft 365 vulnerabilities
1 Oct 2023
High1 Oct 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Unauthorized access and data compromise, attributed to state actors exploiting VPN and Microsoft 365 security holes
1 Oct 2023
Critical1 Oct 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Unauthorized access and compromised information, attributed to Chinese state actors exploiting VPN and Microsoft 365 security holes
1 Oct 2023
Critical14 Sep 2023
MalindoAir
Government · 4,328,232 records
4,328,232 records exposed, Dates of birth, Email addresses, Genders, Loyalty program details and 6 more
14 Sep 2023
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