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.
5,493
Disclosures in the tracker, all years
2,081
Of those, indexed in 2026
144
Added in October
21
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 30 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.
78 incidents from 12 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.
- Japan29 Oct 2026Japan AirlinesHow they got in: a supplier or vendor that was compromised first.BleepingComputer
- Japan29 Oct 2026Sony Network Communications (So-net / Plala ISP)The source does not say how they got in.SecurityWeek
- Japan22 Oct 2026CapcomThe source does not say how they got in.BleepingComputer
High20 Dec 2021
Claro / Embratel (Brazil)
Technology · Records not stated
Lapsus$ stole 10,000 employee and customer records from telecom giant
20 Dec 2021
Critical19 Dec 2021
Lincoln College
Education · Records not stated
157-year-old college permanently closed partly due to ransomware
19 Dec 2021
High18 Dec 2021
18 Dec 2021
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
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