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.
5,261
Disclosures in the tracker, all years
1,975
Of those, indexed in 2026
18
Added in October
15
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.
High20 Jan 2021
300K student, employee, and medical records exposed
Education · Records not stated
300K student, employee, and medical records exposed
20 Jan 2021
Critical20 Jan 2021
1.4M patient records compromised in Accellion FTA breach
Healthcare · 1,400,000 records
1.4M patient records compromised in Accellion FTA breach
20 Jan 2021
High20 Jan 2021
300K student, employee, and medical records exposed
Education · Records not stated
300K student, employee, and medical records exposed
20 Jan 2021
Critical20 Jan 2021
1.4M patient records compromised in Accellion FTA breach
Healthcare · 1,400,000 records
1.4M patient records compromised in Accellion FTA breach
20 Jan 2021
High20 Jan 2021
Morgan Stanley UK (Accellion)
Finance · Records not stated
Client data exposed through Accellion FTA vulnerability, SSNs and account info
20 Jan 2021
High20 Jan 2021
Jones Day
Legal · Records not stated
100GB of client data stolen via Accellion FTA vulnerability
20 Jan 2021
High20 Jan 2021
20 Jan 2021
High20 Jan 2021
Michigan State University
Education · Records not stated
390K student and employee records exposed in Accellion breach
20 Jan 2021
Medium20 Jan 2021
Stanford University (Accellion)
Education · Records not stated
930 employee SSNs and student records exposed
20 Jan 2021
High20 Jan 2021
20 Jan 2021
High20 Jan 2021
300K student, employee, and medical records exposed
Education · Records not stated
300K student, employee, and medical records exposed
20 Jan 2021
Critical20 Jan 2021
20 Jan 2021
Critical20 Jan 2021
Morgan Stanley
Finance · 3,200,000 records
3.2M clients exposed via vendor Accellion FTA breach
20 Jan 2021
Critical20 Jan 2021
Accellion / Centene
Healthcare · Records not stated
1.3M Centene member records exposed via file transfer breach
20 Jan 2021
Critical20 Jan 2021
1.4M patient records compromised in Accellion FTA breach
Healthcare · 1,400,000 records
1.4M patient records compromised in Accellion FTA breach
20 Jan 2021
Critical19 Jan 2021
Nitro
Technology · 77,159,696 records
77,159,696 records exposed, Email addresses, Names, Passwords
19 Jan 2021
Critical19 Jan 2021
Serasa Experian Brazil
Finance · Records not stated
220M Brazilian citizen records leaked, CPFs, names, DOBs, vehicle data, credit scores
19 Jan 2021
Critical18 Jan 2021
Romwe
Retail · 19,531,820 records
19,531,820 records exposed, Geographic locations, IP addresses, Names, Passwords and 2 more
18 Jan 2021
Critical17 Jan 2021
Jobandtalent
Retail · 10,981,207 records
10,981,207 records exposed, Email addresses, IP addresses, Names, Passwords
17 Jan 2021
Medium15 Jan 2021
15 Jan 2021
Critical13 Jan 2021
Florida Healthy Kids Corporation
Healthcare · Records not stated
3.5M applicant records exposed for 7 years via web platform
13 Jan 2021
High12 Jan 2021
SoftBank Corp (Japan)
Technology · Records not stated
Former employee stole 5G trade secrets and sold to Russian diplomat
12 Jan 2021
High12 Jan 2021
Mimecast
Technology · Records not stated
SolarWinds-connected breach compromised certificate used to authenticate to Microsoft 365
12 Jan 2021
High11 Jan 2021
Ubiquiti
Technology · Records not stated
Customer account credentials and device secrets potentially exposed
11 Jan 2021
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