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.
5,362
Disclosures in the tracker, all years
2,078
Of those, indexed in 2026
138
Added in October
17
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 29 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Worldwide · How they got in
Incidents worldwide, by country.
76 incidents from 12 countries in the last 90 days, each from a public source and reviewed before it is shown. Where the source says how the attackers got in, the row says so.
- Germany21 Oct 2026IQ.LvbsThe source does not say how they got in.The Register
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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