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.

5,296
Disclosures in the tracker, all years
2,010
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 Apr 2026
Mexican Government Agencies
Government · Records not stated
Single hacker compromised 9 government agencies using Claude Code and OpenAI tools
1 Apr 2026
High1 Apr 2026
U.S. Government Agency (CISA)
Government · Records not stated
Unnamed federal agency breached via Cisco vulnerability; FIRESTARTER backdoor maintained access through March
1 Apr 2026
Critical1 Apr 2026
ANTS (France ID Agency)
Government · 19,000,000 records
Cyberattack exposed 19 million records from French national identity agency
1 Apr 2026
Critical1 Apr 2026
ANTS
Government · 19,000,000 records
Cyberattack on France's national identity agency exposed 19 million records
1 Apr 2026
Medium31 Mar 2026
Cuties AI
Government · 144,250 records
144,250 records exposed, Avatars, Display names, Email addresses
31 Mar 2026
Medium15 Mar 2026
Divine Skins
Government · 105,814 records
105,814 records exposed, Email addresses, Purchases, Usernames
15 Mar 2026
High1 Mar 2026
Foster City (government)
Government · Records not stated
Ransomware attack forced city computer systems offline
1 Mar 2026
High1 Mar 2026
Foster City
Government · Records not stated
Ransomware attack forced city computer systems offline
1 Mar 2026
High1 Mar 2026
Berlin Government
Government · Records not stated
Rhysida ransomware attack with claimed data theft before elections
1 Mar 2026
High1 Mar 2026
Foster City
Government · Records not stated
Ransomware attack on city computer network forcing system offline
1 Mar 2026
High1 Mar 2026
Companies House
Government · Records not stated
Security issue in WebFiling service exposed company data during five-month period
1 Mar 2026
High1 Mar 2026
Foster City
Government · Records not stated
Ransomware attack forced city computer system offline for days
1 Mar 2026
High1 Mar 2026
Foster City Government
Government · Records not stated
Ransomware attack forced city computer systems offline; declared state of emergency
1 Mar 2026
High1 Mar 2026
Foster City
Government · Records not stated
Ransomware attack on city computer network forced systems offline
1 Mar 2026
High1 Mar 2026
Foster City
Government · Records not stated
Ransomware attack on city computer system forced offline for days, emergency declared
1 Mar 2026
High1 Mar 2026
Puerto Rico CESCO
Government · Records not stated
Driver's license and vehicle registration agency affected by cyberattack
1 Mar 2026
High1 Mar 2026
Companies House
Government · Records not stated
Security issue enabled unauthorized access to WebFiling service data for five months
1 Mar 2026
Critical1 Mar 2026
CISA (US Department)
Government · Records not stated
CISA breached through Cisco vulnerability; FIRESTARTER backdoor malware allowed persistent access through March 2026
1 Mar 2026
High1 Mar 2026
Foster City
Government · Records not stated
City computer system taken offline for days by ransomware attack
1 Mar 2026
Medium1 Mar 2026
Foster City
Government · Records not stated
Ransomware attack forced city computer system offline for multiple days; state of emergency declared
1 Mar 2026
High1 Mar 2026
Companies House
Government · Records not stated
Data exposed during five-month security issue; WebFiling service users' information potentially compromised
1 Mar 2026
Medium1 Mar 2026
Foster City
Government · Records not stated
Ransomware attack forced city computer system offline for days; state of emergency declared
1 Mar 2026
High1 Mar 2026
Companies House (UK)
Government · Records not stated
Data exposed during five-month security issue; all UK firms urged to check records
1 Mar 2026
High1 Mar 2026
DGFiP (French tax authority)
Government · 678,000 records
678,000 people and businesses affected, compromised credentials exposed tax and business info
1 Mar 2026
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