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.
5,447
Disclosures in the tracker, all years
2,033
Of those, indexed in 2026
86
Added in October
20
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 22 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High15 Apr 2020
Gateway Health Plan
Healthcare · Records not stated
100K member records exposed in data breach
15 Apr 2020
Medium13 Apr 2020
US Owner-Run Firm Administration
Government · Records not stated
8K EIDL applicant records exposed in COVID loan portal
13 Apr 2020
Critical13 Apr 2020
13 Apr 2020
High13 Apr 2020
13 Apr 2020
Critical11 Apr 2020
Magellan Health
Healthcare · Records not stated
1.7M member records exposed in social engineering / ransomware attack
11 Apr 2020
Medium10 Apr 2020
Columbia College Chicago
Education · Records not stated
73K student and employee records exposed
10 Apr 2020
High9 Apr 2020
Florida Orthopaedic Institute
Healthcare · 640,000 records
640K patient records exposed in ransomware attack
9 Apr 2020
High7 Apr 2020
City of Rialto CA
Government · Records not stated
DoppelPaymer ransomware encrypted city systems
7 Apr 2020
Critical6 Apr 2020
HTC Mania
Technology · 1,488,089 records
1,488,089 records exposed, Dates of birth, Email addresses, Historical passwords, IP addresses and 2 more
6 Apr 2020
High4 Apr 2020
OGUsers (2020 breach)
Retail · 263,189 records
263,189 records exposed, Email addresses, IP addresses, Passwords, Private messages and 1 more
4 Apr 2020
Medium1 Apr 2020
Cinnamon Toast Crunch / General Mills
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Medium1 Apr 2020
28K consumer records exposed in data breach
Retail · Records not stated
28K consumer records exposed in data breach
1 Apr 2020
Were you affected?