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.

5,359
Disclosures in the tracker, all years
2,075
Of those, indexed in 2026
136
Added in October
19
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 28 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

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
Medium28 Jul 2021
Lake Region Healthcare
Healthcare · 68,000 records
68K patient records exposed
28 Jul 2021
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