Weekly briefing No. 41 published 4 Oct 2026
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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.

5,259
Disclosures in the tracker, all years
1,973
Of those, indexed in 2026
15
Added in October
13
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 8 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

High7 Sep 2020
ChristianaCare
Healthcare · 180,000 records
180K patient records exposed via email phishing
7 Sep 2020
Critical6 Sep 2020
BancoEstado Chile
Finance · Records not stated
REvil ransomware forced closure of all 400+ branches, employee workstations encrypted
6 Sep 2020
Medium5 Sep 2020
Ola Cabs (India)
Technology · Records not stated
Customer and driver data exposed through insecure API endpoints
5 Sep 2020
High4 Sep 2020
City of Hartford CT
Government · Records not stated
Ransomware delayed school opening day
4 Sep 2020
High2 Sep 2020
Staples
Retail · Records not stated
Customer order database exposed without authentication
2 Sep 2020
High1 Sep 2020
Experian (South Africa)
Government · 1,284,637 records
1,284,637 records exposed, Email addresses, Employers, Government issued IDs, Names and 2 more
1 Sep 2020
Medium1 Sep 2020
Hartford Public Schools (CT)
Education · Records not stated
70K student and staff records at risk in ransomware
1 Sep 2020
High30 Aug 2020
Paytm Mall (India)
Retail · Records not stated
3.4M order records stolen from Indian e-commerce platform
30 Aug 2020
High28 Aug 2020
Community Colleges of Vermont
Education · Records not stated
Ransomware shut down IT systems across all 12 campuses
28 Aug 2020
High27 Aug 2020
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
300K student and employee records exposed in Maze ransomware
27 Aug 2020
High27 Aug 2020
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
300K student and employee records exposed in Maze ransomware
27 Aug 2020
High27 Aug 2020
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
300K student and employee records exposed in Maze ransomware
27 Aug 2020
High27 Aug 2020
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
300K student and employee records exposed in Maze ransomware
27 Aug 2020
High27 Aug 2020
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
300K student and employee records exposed in Maze ransomware
27 Aug 2020
High27 Aug 2020
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
300K student and employee records exposed in Maze ransomware
27 Aug 2020
High27 Aug 2020
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
300K student and employee records exposed in Maze ransomware
27 Aug 2020
High27 Aug 2020
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
300K student and employee records exposed in Maze ransomware
27 Aug 2020
High27 Aug 2020
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
300K student and employee records exposed in Maze ransomware
27 Aug 2020
High27 Aug 2020
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
300K student and employee records exposed in Maze ransomware
27 Aug 2020
High27 Aug 2020
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
300K student and employee records exposed in Maze ransomware
27 Aug 2020
High27 Aug 2020
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
300K student and employee records exposed in Maze ransomware
27 Aug 2020
High27 Aug 2020
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
300K student and employee records exposed in Maze ransomware
27 Aug 2020
High27 Aug 2020
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
300K student and employee records exposed in Maze ransomware
27 Aug 2020
High27 Aug 2020
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
300K student and employee records exposed in Maze ransomware
27 Aug 2020
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