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
Medium1 Jul 2022
22K records exposed
Government · 22,000 records
22K records exposed
1 Jul 2022
Medium1 Jul 2022
69K records exposed in data breach
Education · 69,000 records
69K records exposed in data breach
1 Jul 2022
Medium1 Jul 2022
22K records exposed
Government · 22,000 records
22K records exposed
1 Jul 2022
Medium1 Jul 2022
69K records exposed in data breach
Education · 69,000 records
69K records exposed in data breach
1 Jul 2022
Medium1 Jul 2022
22K records exposed
Government · 22,000 records
22K records exposed
1 Jul 2022
Medium1 Jul 2022
69K records exposed in data breach
Education · 69,000 records
69K records exposed in data breach
1 Jul 2022
Medium1 Jul 2022
22K records exposed
Government · 22,000 records
22K records exposed
1 Jul 2022
Medium1 Jul 2022
69K records exposed in data breach
Education · 69,000 records
69K records exposed in data breach
1 Jul 2022
Medium1 Jul 2022
22K records exposed
Government · 22,000 records
22K records exposed
1 Jul 2022
Medium1 Jul 2022
69K records exposed in data breach
Education · 69,000 records
69K records exposed in data breach
1 Jul 2022
Medium1 Jul 2022
22K records exposed
Government · 22,000 records
22K records exposed
1 Jul 2022
Medium1 Jul 2022
St. Luke's Health System
Healthcare · 31,000 records
31K patient records exposed
1 Jul 2022
Medium1 Jul 2022
United Way
Sector not stated · Records not stated
90K donor records exposed in third-party breach
1 Jul 2022
Medium1 Jul 2022
69K records exposed in data breach
Education · 69,000 records
69K records exposed in data breach
1 Jul 2022
Critical1 Jul 2022
Twitter / X
Technology · 5,400,000 records
5.4M user accounts exposed via API vulnerability
1 Jul 2022
High1 Jul 2022
Fitzgibbon Hospital
Healthcare · 112,000 records
112K patient records exposed in ransomware attack
1 Jul 2022
High29 Jun 2022
Knauf Group (Germany)
Sector not stated · Records not stated
Black Basta ransomware disrupted global building materials manufacturer
29 Jun 2022
Critical29 Jun 2022
OpenSea
Technology · 7,000,000 records
7M user email addresses leaked by employee at vendor
29 Jun 2022
High28 Jun 2022
City of Kingman AZ
Government · Records not stated
Ransomware encrypted city systems
28 Jun 2022
High27 Jun 2022
Apetito AG (Germany)
Sector not stated · Records not stated
Ransomware disrupted meals-on-wheels for elderly and hospitals across Germany
27 Jun 2022
Critical27 Jun 2022
OSDE (Argentina Health)
Healthcare · Records not stated
LockBit stole 140GB from Argentina's largest health plan, 2M member records
27 Jun 2022
Medium27 Jun 2022
Lithuanian Energy (Ignitis)
Sector not stated · Records not stated
Pro-Russian hacktivists disrupted Lithuanian energy company systems
27 Jun 2022
Medium27 Jun 2022
Frederick Health Hospital
Healthcare · 31,000 records
31K patient records exposed
27 Jun 2022
Medium27 Jun 2022
Austin Peay State University
Education · Records not stated
76K student records exposed in Avos Locker ransomware
27 Jun 2022
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