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.
5,609
Disclosures in the tracker, all years
2,123
Of those, indexed in 2026
45
Added in November
45
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 7 Nov 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
Medium15 Dec 2020
Hancom Group (Korea)
Technology · Records not stated
Office software company breached, government document templates compromised
15 Dec 2020
High15 Dec 2020
Elara Caring
Healthcare · 100,000 records
100K patient home health records exposed in phishing attack
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
Critical14 Dec 2020
SolarWinds (SEC filing)
Technology · 18,000 records
SolarWinds confirmed 18K customers installed trojanized Orion
14 Dec 2020
Critical13 Dec 2020
SolarWinds / US Dept of Justice
Government · Records not stated
DOJ email accounts accessed including 3,000+ employees
13 Dec 2020
Critical13 Dec 2020
SolarWinds / US Dept of Energy
Government · Records not stated
DOE and NNSA networks compromised via SolarWinds
13 Dec 2020
Critical13 Dec 2020
SolarWinds / US Dept of State
Government · Records not stated
State Dept email systems compromised in supply chain attack
13 Dec 2020
Critical13 Dec 2020
SolarWinds / US Dept of Homeland Security
Government · Records not stated
DHS email accounts accessed by Russian intelligence
13 Dec 2020
Critical13 Dec 2020
SolarWinds / US Dept of Commerce
Government · Records not stated
NTIA email systems compromised in SolarWinds supply chain
13 Dec 2020
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