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.
High1 Oct 2021
Johnson Memorial Hospital
Healthcare · 350,000 records
350K patient records exposed in ransomware
1 Oct 2021
Critical30 Sep 2021
Neiman Marcus (2021)
Retail · 4,600,000 records
4.6M customer records including payment cards exposed
30 Sep 2021
High26 Sep 2021
Ajarn
Education · 266,399 records
266,399 records exposed, Dates of birth, Education levels, Email addresses, Genders and 8 more
26 Sep 2021
High20 Sep 2021
NEW Cooperative
Sector not stated · Records not stated
BlackMatter ransomware targeted Iowa grain cooperative
20 Sep 2021
Critical19 Sep 2021
Epik
Retail · 15,003,961 records
15,003,961 records exposed, Email addresses, Names, Phone numbers, Physical addresses and 1 more
19 Sep 2021
High19 Sep 2021
Town of Colonie NY
Government · Records not stated
Ransomware encrypted town government systems
19 Sep 2021
High15 Sep 2021
Danish Social Security (CPR)
Government · Records not stated
COVID test data of 1.2M Danes exposed through misconfigured system
15 Sep 2021
Medium14 Sep 2021
14 Sep 2021
High13 Sep 2021
13 Sep 2021
Critical13 Sep 2021
Epik
Technology · 15,000,000 records
180GB of web hosting data leaked by Anonymous including 15M user records
13 Sep 2021
High12 Sep 2021
AP-HP (Paris Hospitals)
Healthcare · Records not stated
1.4M COVID test results stolen from Paris public hospital system
12 Sep 2021
High8 Sep 2021
180K patient records exposed in Vice Society ransomware
Healthcare · 180,000 records
180K patient records exposed in Vice Society ransomware
8 Sep 2021
High8 Sep 2021
180K patient records exposed in Vice Society ransomware
Healthcare · 180,000 records
180K patient records exposed in Vice Society ransomware
8 Sep 2021
High8 Sep 2021
180K patient records exposed in Vice Society ransomware
Healthcare · 180,000 records
180K patient records exposed in Vice Society ransomware
8 Sep 2021
High8 Sep 2021
180K patient records exposed in Vice Society ransomware
Healthcare · 180,000 records
180K patient records exposed in Vice Society ransomware
8 Sep 2021
High8 Sep 2021
180K patient records exposed in Vice Society ransomware
Healthcare · 180,000 records
180K patient records exposed in Vice Society ransomware
8 Sep 2021
High8 Sep 2021
180K patient records exposed in Vice Society ransomware
Healthcare · 180,000 records
180K patient records exposed in Vice Society ransomware
8 Sep 2021
High8 Sep 2021
180K patient records exposed in Vice Society ransomware
Healthcare · 180,000 records
180K patient records exposed in Vice Society ransomware
8 Sep 2021
High8 Sep 2021
180K patient records exposed in Vice Society ransomware
Healthcare · 180,000 records
180K patient records exposed in Vice Society ransomware
8 Sep 2021
High8 Sep 2021
180K patient records exposed in Vice Society ransomware
Healthcare · 180,000 records
180K patient records exposed in Vice Society ransomware
8 Sep 2021
High8 Sep 2021
180K patient records exposed in Vice Society ransomware
Healthcare · 180,000 records
180K patient records exposed in Vice Society ransomware
8 Sep 2021
High8 Sep 2021
180K patient records exposed in Vice Society ransomware
Healthcare · 180,000 records
180K patient records exposed in Vice Society ransomware
8 Sep 2021
High8 Sep 2021
180K patient records exposed in Vice Society ransomware
Healthcare · 180,000 records
180K patient records exposed in Vice Society ransomware
8 Sep 2021
High8 Sep 2021
180K patient records exposed in Vice Society ransomware
Healthcare · 180,000 records
180K patient records exposed in Vice Society ransomware
8 Sep 2021
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