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.

5,261
Disclosures in the tracker, all years
1,975
Of those, indexed in 2026
18
Added in October
14
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 10 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

4,906 results · Government disclosures. Clear filters

High1 Nov 2024
Ransomware attack
Government · Records not stated
Ransomware attack exposed personal data of individuals
1 Nov 2024
High1 Nov 2024
Ransomware attack in November 2024
Government · Records not stated
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
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 exposed personal data of individuals
1 Nov 2024
High1 Nov 2024
Ransomware attack in November 2024
Government · Records not stated
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
High1 Nov 2024
Ransomware attack
Government · Records not stated
Ransomware attack exposed personal data of individuals receiving regional center services
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; notification letters sent
1 Nov 2024
High1 Nov 2024
Ransomware attack in November 2024
Government · Records not stated
Ransomware attack in November 2024 exposed sensitive data, notification sent to affected individuals
1 Nov 2024
High1 Nov 2024
Ransomware attack in November 2024
Government · Records not stated
Ransomware attack in November 2024 exposed individuals' personal information
1 Nov 2024
High1 Nov 2024
Ransomware attack in November 2024 affected individuals
Government · Records not stated
Ransomware attack in November 2024 affected individuals
1 Nov 2024
High1 Nov 2024
Ransomware attack in November 2024 affected individuals' data
Government · Records not stated
Ransomware attack in November 2024 affected individuals' data
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 records, 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 affected individuals
1 Nov 2024
High1 Nov 2024
November 2024 ransomware attack
Government · Records not stated
November 2024 ransomware attack exposed individuals' data, notification letters sent to affected parties
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 sensitive data affecting multiple individuals
1 Nov 2024
Critical5 Oct 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Chinese hackers accessed US lawful intercept systems at major carriers
5 Oct 2024
Critical5 Oct 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Chinese hackers accessed US lawful intercept systems at major carriers
5 Oct 2024
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