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.
5,439
Disclosures in the tracker, all years
2,154
Of those, indexed in 2026
87
Added in November
27
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 11 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Medium28 Jan 2025
28 Jan 2025
High27 Jan 2025
Frederick Health
Healthcare · 934,000 records
934K patient records exposed in ransomware attack
27 Jan 2025
Medium22 Jan 2025
Welhof
Retail · 107,292 records
107,292 records exposed, Email addresses, Names, Physical addresses, Purchases
22 Jan 2025
Medium22 Jan 2025
Frame & Optic
Government · 15,678 records
15,678 records exposed, Email addresses, Geographic locations, Names, Phone numbers
22 Jan 2025
Medium18 Jan 2025
Otelier
Finance · 436,855 records
436,855 records exposed, Email addresses, Names, Partial credit card data, Phone numbers and 3 more
18 Jan 2025
Medium17 Jan 2025
MSI
Government · 249,990 records
249,990 records exposed, Email addresses, Names, Phone numbers, Physical addresses and 1 more
17 Jan 2025
High16 Jan 2025
Le Coq Sportif Columbia
Technology · 79,712 records
79,712 records exposed, Dates of birth, Device information, Email addresses, Genders and 5 more
16 Jan 2025
High13 Jan 2025
Scholastic
Technology · 4,247,768 records
4,247,768 records exposed, Email addresses, Names, Phone numbers, Physical addresses
13 Jan 2025
Medium13 Jan 2025
Eindhoven University of Technology
Education · Records not stated
Cyberattack forced campus-wide network shutdown, classes cancelled for a week
13 Jan 2025
High12 Jan 2025
SuperDraft
Technology · 300,187 records
300,187 records exposed, Dates of birth, Email addresses, Geographic locations, Latitude and longitude pairs and 3 more
12 Jan 2025
High9 Jan 2025
Telefonica Spain
Technology · Records not stated
120,000 employee and customer records stolen by ransomware group
9 Jan 2025
Critical6 Jan 2025
Gravy Analytics
Technology · Records not stated
17B location data points exposed including precise GPS tracking
6 Jan 2025
High3 Jan 2025
GLAMIRA
Retail · 874,594 records
874,594 records exposed, Email addresses, Names, Phone numbers, Purchases
3 Jan 2025
Critical2 Jan 2025
Community Health Center Inc
Healthcare · 1,000,000 records
1M patient records exposed in data breach
2 Jan 2025
Critical1 Jan 2025
Conduent Business Services
Sector not stated · 62,200,000 records
62.2 million individuals' personal data exposed; printing, mailing, and document services vendor breach
1 Jan 2025
Critical1 Jan 2025
Conduent Business Services
Sector not stated · 62,200,000 records
Data breach affecting 62.2 million individuals; personal information compromised
1 Jan 2025
High1 Jan 2025
Otelier
Sector not stated · Records not stated
Personal information of approximately 500,000 hotel guests exposed after breach targeting hotel chains' booking system.
1 Jan 2025
Critical1 Jan 2025
Conduent Business Services
Sector not stated · 62,200,000 records
Massive data breach affected more than 62.2 million individuals; printing and mailing services vendor
1 Jan 2025
High1 Jan 2025
Otelier
Retail · Records not stated
Hotel booking platform breach exposed personal data of approximately 500,000 hotel guests from major chains
1 Jan 2025
Critical1 Jan 2025
Conduent Business Services
Sector not stated · 62,200,000 records
Data breach affected 62.2 million individuals; personal information compromised including financial data
1 Jan 2025
High1 Jan 2025
Otelier
Sector not stated · Records not stated
Personal information of approximately 500,000 hotel guests exposed after platform breach affecting major hotel chains
1 Jan 2025
Critical1 Jan 2025
Conduent Business Services
Technology · 62,200,000 records
62.2 million individuals affected in printing and mailing services vendor breach
1 Jan 2025
High1 Jan 2025
Otelier
Retail · Records not stated
Hotel booking platform breach exposed personal data of half a million hotel guests from major chains
1 Jan 2025
Critical1 Jan 2025
Cerner
Healthcare · Records not stated
Hackers accessed electronic health records stored on legacy network in January; patients notified months later
1 Jan 2025
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