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.

5,264
Disclosures in the tracker, all years
1,977
Of those, indexed in 2026
17
Added in October
14
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 9 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

Critical3 Dec 2020
Netgain Technology
Healthcare · 1,040,000 records
1.04M patient records exposed in cloud hosting ransomware affecting healthcare clients
3 Dec 2020
Critical1 Dec 2020
Shirbit Insurance (Israel)
Finance · Records not stated
Black Shadow leaked customer passports, credit cards, medical data from insurer
1 Dec 2020
High1 Dec 2020
Kmart / Transformco
Sector not stated · Records not stated
Egregor ransomware encrypted store systems
1 Dec 2020
High1 Dec 2020
Whirlpool
Retail · Records not stated
Nefilim ransomware attacked appliance manufacturer
1 Dec 2020
High30 Nov 2020
Embraer (Brazil)
Sector not stated · Records not stated
RansomEXX stole and published internal files from Brazilian aircraft maker
30 Nov 2020
High29 Nov 2020
Foxconn
Sector not stated · Records not stated
DoppelPaymer ransomware encrypted servers at Mexican facility
29 Nov 2020
High24 Nov 2020
Baltimore County Public Schools
Education · Records not stated
115K student records exposed in ransomware
24 Nov 2020
High22 Nov 2020
E-Land Group (Korea)
Retail · Records not stated
Clop ransomware forced closure of 50 retail stores across South Korea
22 Nov 2020
High20 Nov 2020
Hendrick Health
Healthcare · 640,000 records
640K patient records exposed in unauthorized access
20 Nov 2020
Critical19 Nov 2020
US Postal Service
Sector not stated · 60,000,000 records
60M user tracking records exposed via API flaw
19 Nov 2020
Critical15 Nov 2020
123RF
Retail · 8,661,578 records
8,661,578 records exposed, Email addresses, IP addresses, Names, Passwords and 3 more
15 Nov 2020
High13 Nov 2020
Cyberattack disrupted municipal services
Government · Records not stated
Cyberattack disrupted municipal services
13 Nov 2020
Medium13 Nov 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack disrupted municipal operations, IT systems offline for extended period
13 Nov 2020
High13 Nov 2020
Cyberattack disrupted municipal services
Government · Records not stated
Cyberattack disrupted municipal services
13 Nov 2020
Medium13 Nov 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack disrupted municipal operations, IT systems offline for extended period
13 Nov 2020
High13 Nov 2020
Cyberattack disrupted municipal services
Government · Records not stated
Cyberattack disrupted municipal services
13 Nov 2020
Medium13 Nov 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack disrupted municipal operations, IT systems offline for extended period
13 Nov 2020
High13 Nov 2020
Cyberattack disrupted municipal services
Government · Records not stated
Cyberattack disrupted municipal services
13 Nov 2020
Medium13 Nov 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack disrupted municipal operations, IT systems offline for extended period
13 Nov 2020
High13 Nov 2020
Cyberattack disrupted municipal services
Government · Records not stated
Cyberattack disrupted municipal services
13 Nov 2020
Medium13 Nov 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack disrupted municipal operations, IT systems offline for extended period
13 Nov 2020
High13 Nov 2020
Cyberattack disrupted municipal services
Government · Records not stated
Cyberattack disrupted municipal services
13 Nov 2020
Medium13 Nov 2020
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack disrupted municipal operations, IT systems offline for extended period
13 Nov 2020
High13 Nov 2020
Cyberattack disrupted municipal services
Government · Records not stated
Cyberattack disrupted municipal services
13 Nov 2020
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