Weekly briefing No. 41 published 4 Oct 2026
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.

5,554
Disclosures in the tracker, all years
2,046
Of those, indexed in 2026
104
Added in October
24
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 24 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.

74 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.

  1. France20 Oct 2026US tax preparation businessesThe source does not say how they got in.The Record
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
Critical13 Dec 2020
DOJ email accounts accessed including 3,000+ employees
Government · Records not stated
DOJ email accounts accessed including 3,000+ employees
13 Dec 2020
Critical13 Dec 2020
DOE and NNSA networks compromised via SolarWinds
Government · Records not stated
DOE and NNSA networks compromised via SolarWinds
13 Dec 2020
Critical13 Dec 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
State Dept email systems compromised in supply chain attack
13 Dec 2020
Critical13 Dec 2020
DHS email accounts accessed by Russian intelligence
Government · Records not stated
DHS email accounts accessed by Russian intelligence
13 Dec 2020
Critical13 Dec 2020
NTIA email systems compromised in SolarWinds supply chain
Government · Records not stated
NTIA email systems compromised in SolarWinds supply chain
13 Dec 2020
Critical13 Dec 2020
DOJ email accounts accessed including 3,000+ employees
Government · Records not stated
DOJ email accounts accessed including 3,000+ employees
13 Dec 2020
Critical13 Dec 2020
DOE and NNSA networks compromised via SolarWinds
Government · Records not stated
DOE and NNSA networks compromised via SolarWinds
13 Dec 2020
Critical13 Dec 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
State Dept email systems compromised in supply chain attack
13 Dec 2020
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