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.

5,492
Disclosures in the tracker, all years
2,080
Of those, indexed in 2026
143
Added in October
20
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.

Critical4 Apr 2022
Cash App Investing
Finance · 8,199,999 records
8.2M customer account records exposed by former employee
4 Apr 2022
High4 Apr 2022
461K patient records exposed
Healthcare · 461,000 records
461K patient records exposed
4 Apr 2022
Medium3 Apr 2022
Clark University
Education · Records not stated
92K student records exposed
3 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
High2 Apr 2022
Ransomware encrypted city systems
Government · Records not stated
Ransomware encrypted city systems
2 Apr 2022
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