Intelligence · Disclosure tracker
Every public disclosure, dated and sourced.
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
15
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 9 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
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