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.

5,336
Disclosures in the tracker, all years
2,049
Of those, indexed in 2026
104
Added in October
24
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 24 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.

74 incidents from 11 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. France20 Oct 2026US tax preparation businessesThe source does not say how they got in.The Record
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
Critical10 Jan 2021
Parler
Technology · Records not stated
70TB of user data including GPS metadata scraped and archived
10 Jan 2021
Critical8 Jan 2021
GeniusU
Retail · 1,301,460 records
1,301,460 records exposed, Email addresses, Genders, IP addresses, Names and 2 more
8 Jan 2021
Medium8 Jan 2021
Capital Medical Center
Healthcare · 48,000 records
48K patient records exposed
8 Jan 2021
Medium5 Jan 2021
Coupang (Korea)
Retail · Records not stated
South Korea's largest e-commerce platform exposed customer shipping data
5 Jan 2021
Critical3 Jan 2021
Juspay (India)
Finance · 100,000,000 records
100M user records exposed, card fingerprints, masked card numbers, phone numbers
3 Jan 2021
Critical3 Jan 2021
JusPay
Technology · 100,000,000 records
100M customer payment records exposed in India-US fintech
3 Jan 2021
High28 Dec 2020
Kawasaki Heavy Industries (Japan)
Sector not stated · Records not stated
State-sponsored breach of defense contractor, internal data exfiltrated over months
28 Dec 2020
High28 Dec 2020
Finnish Parliament (Eduskunta)
Government · Records not stated
State-sponsored APT compromised MP email accounts, Chinese APT31 attributed
28 Dec 2020
High28 Dec 2020
Kawasaki Heavy Industries
Sector not stated · Records not stated
Unauthorized access to server network from overseas
28 Dec 2020
High24 Dec 2020
Scottish Environment Protection Agency
Government · Records not stated
Conti ransomware stole 1.2GB of data, published 4,000+ files
24 Dec 2020
Critical23 Dec 2020
Accellion FTA (Global Impact)
Technology · Records not stated
Zero-day exploitation compromised 100+ organizations, Clop published data
23 Dec 2020
High22 Dec 2020
California State University system
Education · Records not stated
Data breach affected payroll records across multiple campuses
22 Dec 2020
High22 Dec 2020
Leon Medical Centers
Healthcare · 500,000 records
500K patient records exposed in vendor breach
22 Dec 2020
High20 Dec 2020
Ledger
Finance · 1,075,241 records
1,075,241 records exposed, Email addresses, Names, Phone numbers, Physical addresses
20 Dec 2020
Critical16 Dec 2020
Bykea
Technology · Records not stated
400M ride records including GPS data exposed
16 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
High15 Dec 2020
Ransomware encrypted city systems for weeks
Government · Records not stated
Ransomware encrypted city systems for weeks
15 Dec 2020
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