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.
5,314
Disclosures in the tracker, all years
2,028
Of those, indexed in 2026
76
Added in October
21
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 21 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High1 May 2020
Interserve Group (UK)
Sector not stated · Records not stated
ICO fined Interserve 4.4M GBP, 113,000 employee records stolen
1 May 2020
Critical1 May 2020
IRS unemployment fraud
Government · Records not stated
Millions of fraudulent unemployment claims filed using stolen identities
1 May 2020
Critical24 Apr 2020
Inmediata Health (PR)
Healthcare · 1,570,000 records
1.57M patient records exposed via website misconfiguration
24 Apr 2020
Medium22 Apr 2020
Vianet
Technology · 94,353 records
94,353 records exposed, Email addresses, Names, Phone numbers, Physical addresses
22 Apr 2020
High22 Apr 2020
Service NSW
Government · 186,000 records
738GB of data stolen from 47 employee email accounts, 186,000 customers affected
22 Apr 2020
Medium22 Apr 2020
22 Apr 2020
Medium21 Apr 2020
21 Apr 2020
High20 Apr 2020
20 Apr 2020
High20 Apr 2020
MedStar Health
Healthcare · 183,000 records
183K patient records exposed in email compromise
20 Apr 2020
Critical19 Apr 2020
Aptoide
Retail · 20,012,235 records
20,012,235 records exposed, Browser user agent details, Email addresses, IP addresses, Names and 1 more
19 Apr 2020
High17 Apr 2020
Nuvance Health
Healthcare · 314,000 records
314K patient records exposed in phishing / email compromise
17 Apr 2020
Critical15 Apr 2020
15 Apr 2020
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
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
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