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.

5,360
Disclosures in the tracker, all years
2,076
Of those, indexed in 2026
137
Added in October
16
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 29 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.

76 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.

  1. Japan22 Oct 2026CapcomThe source does not say how they got in.BleepingComputer
  2. Japan19 Oct 2026Nikkei Inc.How they got in: stolen or reused passwords.BleepingComputer
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
High6 Aug 2021
Ransomware disrupted city services
Government · Records not stated
Ransomware disrupted city services
6 Aug 2021
Medium4 Aug 2021
Town of Greenwich CT
Government · Records not stated
88K resident records exposed
4 Aug 2021
Critical4 Aug 2021
Eskenazi Health
Healthcare · 1,500,000 records
1.5M patient records stolen in ransomware attack
4 Aug 2021
High1 Aug 2021
Morley Companies
Healthcare · 521,000 records
521K patient records exposed in ransomware attack
1 Aug 2021
Medium29 Jul 2021
Sharp Corporation (Japan)
Technology · Records not stated
Data breach exposed customer personal information from online store
29 Jul 2021
Medium28 Jul 2021
Estonian Health Authority
Healthcare · Records not stated
COVID vaccine appointment data exposed, citizen PII accessible
28 Jul 2021
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