Weekly briefing No. 41 published 4 Oct 2026
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.

5,491
Disclosures in the tracker, all years
2,079
Of those, indexed in 2026
141
Added in October
18
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 30 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.

  1. Germany21 Oct 2026IQ.LvbsThe source does not say how they got in.The Register
Medium22 Jun 2022
Luma Health
Healthcare · 28,000 records
28K patient records exposed in scheduling platform breach
22 Jun 2022
High22 Jun 2022
California Dept of Corrections
Government · Records not stated
236K inmate records exposed
22 Jun 2022
Medium21 Jun 2022
Aerojet Rocketdyne
Healthcare · Records not stated
29K employee health records exposed
21 Jun 2022
High20 Jun 2022
Athabasca University
Education · Records not stated
Systems shut down after cyberattack
20 Jun 2022
High20 Jun 2022
Delivery Club (Russia)
Technology · Records not stated
250M food delivery order records leaked including customer addresses
20 Jun 2022
Medium20 Jun 2022
Yodel Delivery (UK)
Sector not stated · Records not stated
Cyberattack disrupted UK parcel delivery, tracking systems offline for days
20 Jun 2022
Medium18 Jun 2022
Salzburg Milch (Austria)
Sector not stated · Records not stated
LockBit attacked Austrian dairy company, production data compromised
18 Jun 2022
High17 Jun 2022
Shoprite Group (South Africa)
Retail · Records not stated
RansomHouse claimed 600GB of data from Africa's largest retailer
17 Jun 2022
High17 Jun 2022
Valley Baptist Medical Center
Healthcare · 620,000 records
620K patient records exposed
17 Jun 2022
Medium15 Jun 2022
Waddell & Reed
Finance · 18,000 records
18K client records exposed in data breach
15 Jun 2022
Medium15 Jun 2022
Optima Health
Healthcare · Records not stated
56K member records exposed
15 Jun 2022
Medium15 Jun 2022
Wright State University
Education · Records not stated
42K student records exposed in ransomware
15 Jun 2022
High14 Jun 2022
DivX SubTitles
Technology · 783,058 records
783,058 records exposed, Email addresses, Passwords, Usernames
14 Jun 2022
High14 Jun 2022
Harris County (TX)
Government · Records not stated
340K resident records exposed
14 Jun 2022
High12 Jun 2022
IKCO (Iran Khodro Auto)
Sector not stated · Records not stated
Ransomware disrupted Iran's largest automaker, production halted
12 Jun 2022
High12 Jun 2022
Choice Health at Home
Healthcare · 103,000 records
103K patient records exposed
12 Jun 2022
High10 Jun 2022
Pinnacle Health (Melbourne)
Healthcare · Records not stated
Data breach compromised 30,000+ patient records through third-party IT provider
10 Jun 2022
High10 Jun 2022
SPF Finances (Belgian Tax)
Government · Records not stated
State-sponsored breach of Belgian tax authority, employee data stolen
10 Jun 2022
High10 Jun 2022
Voya Financial
Finance · Records not stated
170K retirement plan records exposed
10 Jun 2022
High9 Jun 2022
Town of Cornelius NC
Government · Records not stated
Ransomware encrypted town systems
9 Jun 2022
Medium8 Jun 2022
CNA Seguros (Argentina)
Finance · Records not stated
Cyberattack disrupted Argentine national insurance company
8 Jun 2022
High7 Jun 2022
Oklahoma State University Medical Center
Healthcare · 300,000 records
300K patient records exposed in data breach
7 Jun 2022
High7 Jun 2022
300K patient records exposed in data breach
Healthcare · 300,000 records
300K patient records exposed in data breach
7 Jun 2022
High7 Jun 2022
300K patient records exposed in data breach
Healthcare · 300,000 records
300K patient records exposed in data breach
7 Jun 2022
Were you affected?