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.
5,406
Disclosures in the tracker, all years
2,120
Of those, indexed in 2026
45
Added in November
45
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 7 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High10 Aug 2020
Einstein Healthcare Network
Healthcare · 315,000 records
315K patient records exposed via email compromise
10 Aug 2020
Critical7 Aug 2020
Zoosk (2020)
Education · 23,927,853 records
23,927,853 records exposed, Dates of birth, Drinking habits, Education levels, Email addresses and 13 more
7 Aug 2020
Medium7 Aug 2020
Hilton Hotels
Retail · Records not stated
72K loyalty member records exposed in credential stuffing
7 Aug 2020
High6 Aug 2020
ProctorU
Education · 444,453 records
444,453 records exposed, Email addresses, Names, Passwords, Phone numbers and 2 more
6 Aug 2020
High6 Aug 2020
Nidec Corporation (Japan)
Sector not stated · Records not stated
Vietnamese subsidiary data stolen, 50,694 internal documents published
6 Aug 2020
High5 Aug 2020
Canon
Sector not stated · Records not stated
Maze ransomware encrypted cloud photo storage and internal systems
5 Aug 2020
High5 Aug 2020
5 Aug 2020
High4 Aug 2020
Konica Minolta (Japan)
Technology · Records not stated
RansomEXX encrypted internal systems, printers and services disrupted globally
4 Aug 2020
High3 Aug 2020
Kreditplus
Finance · 768,890 records
768,890 records exposed, Dates of birth, Email addresses, Employers, Family structure and 11 more
3 Aug 2020
High3 Aug 2020
Kreditplus (Indonesia)
Finance · 890,000 records
890,000 customer financial records leaked on dark web
3 Aug 2020
High3 Aug 2020
City of Collierville TN
Government · Records not stated
Ransomware disrupted police and fire dispatch
3 Aug 2020
Critical3 Aug 2020
3 Aug 2020
High2 Aug 2020
집꾸미기
Technology · 1,298,651 records
1,298,651 records exposed, Email addresses, Names, Phone numbers, Usernames
2 Aug 2020
High2 Aug 2020
TrueFire
Technology · 599,667 records
599,667 records exposed, Account balances, Dates of birth, Email addresses, Names and 4 more
2 Aug 2020
Medium1 Aug 2020
Community College of Allegheny County
Education · Records not stated
45K student records exposed in ransomware
1 Aug 2020
Medium1 Aug 2020
45K student records exposed in ransomware
Education · Records not stated
45K student records exposed in ransomware
1 Aug 2020
Medium1 Aug 2020
45K student records exposed in ransomware
Education · Records not stated
45K student records exposed in ransomware
1 Aug 2020
Medium1 Aug 2020
45K student records exposed in ransomware
Education · Records not stated
45K student records exposed in ransomware
1 Aug 2020
Medium1 Aug 2020
45K student records exposed in ransomware
Education · Records not stated
45K student records exposed in ransomware
1 Aug 2020
Medium1 Aug 2020
45K student records exposed in ransomware
Education · Records not stated
45K student records exposed in ransomware
1 Aug 2020
Medium1 Aug 2020
45K student records exposed in ransomware
Education · Records not stated
45K student records exposed in ransomware
1 Aug 2020
Medium1 Aug 2020
45K student records exposed in ransomware
Education · Records not stated
45K student records exposed in ransomware
1 Aug 2020
Medium1 Aug 2020
45K student records exposed in ransomware
Education · Records not stated
45K student records exposed in ransomware
1 Aug 2020
Medium1 Aug 2020
45K student records exposed in ransomware
Education · Records not stated
45K student records exposed in ransomware
1 Aug 2020
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