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
15
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. Germany21 Oct 2026IQ.LvbsThe source does not say how they got in.The Register
High4 Apr 2022
461K patient records exposed
Healthcare · 461,000 records
461K patient records exposed
4 Apr 2022
High4 Apr 2022
461K patient records exposed
Healthcare · 461,000 records
461K patient records exposed
4 Apr 2022
High4 Apr 2022
461K patient records exposed
Healthcare · 461,000 records
461K patient records exposed
4 Apr 2022
High4 Apr 2022
461K patient records exposed
Healthcare · 461,000 records
461K patient records exposed
4 Apr 2022
Critical4 Apr 2022
Block (Cash App)
Technology · 8,199,999 records
8.2M user records exposed by former employee
4 Apr 2022
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
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