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.
5,337
Disclosures in the tracker, all years
2,050
Of those, indexed in 2026
104
Added in October
24
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 23 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Worldwide · How they got in
Incidents worldwide, by country.
71 incidents from 11 countries in the last 90 days, each from a public source and reviewed before it is shown. Where the source says how the attackers got in, the row says so.
- Germany21 Oct 2026IQ.LvbsThe source does not say how they got in.The Register
Critical23 Dec 2020
Accellion FTA (Global Impact)
Technology · Records not stated
Zero-day exploitation compromised 100+ organizations, Clop published data
23 Dec 2020
High22 Dec 2020
California State University system
Education · Records not stated
Data breach affected payroll records across multiple campuses
22 Dec 2020
High22 Dec 2020
Leon Medical Centers
Healthcare · 500,000 records
500K patient records exposed in vendor breach
22 Dec 2020
High20 Dec 2020
Ledger
Finance · 1,075,241 records
1,075,241 records exposed, Email addresses, Names, Phone numbers, Physical addresses
20 Dec 2020
Critical16 Dec 2020
16 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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