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.
5,382
Disclosures in the tracker, all years
2,095
Of those, indexed in 2026
16
Added in November
27
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 4 Nov 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.
77 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.
- Russia23 Oct 2026PingCAPHow they got in: stolen or reused passwords.SecurityWeek
High18 Dec 2021
Monongalia Health System
Healthcare · 398,000 records
398K patient records compromised in phishing attack
18 Dec 2021
High16 Dec 2021
Belgian Defence Ministry
Government · Records not stated
Log4j exploitation compromised Belgian military email systems
16 Dec 2021
High14 Dec 2021
Kalix Municipality (Sweden)
Government · Records not stated
Hive ransomware hit Swedish municipality, all digital services disrupted
14 Dec 2021
High13 Dec 2021
13 Dec 2021
High12 Dec 2021
Superior Plus
Sector not stated · Records not stated
Ransomware hit propane and natural gas distributor
12 Dec 2021
High12 Dec 2021
Knox College
Education · Records not stated
Hive ransomware emailed students threatening to release stolen data
12 Dec 2021
High12 Dec 2021
Virginia General Assembly
Government · Records not stated
Systems encrypted in ransomware attack
12 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
Critical11 Dec 2021
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware shut down workforce management for thousands of employers
11 Dec 2021
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