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.

5,339
Disclosures in the tracker, all years
2,052
Of those, indexed in 2026
111
Added in October
18
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 25 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. Japan22 Oct 2026CapcomThe source does not say how they got in.BleepingComputer
  2. Japan19 Oct 2026Nikkei Inc.How they got in: stolen or reused passwords.BleepingComputer
  3. Japan16 Oct 2026Burger King JapanThe source does not say how they got in.Security Affairs
  4. Japan16 Oct 2026BK JapanThe source does not say how they got in.SecurityWeek
  5. Japan16 Oct 2026Al Jazeera Media NetworkHow they got in: a supplier or vendor that was compromised first.BleepingComputer
Critical1 Jun 2026
AssuranceAmerica
Finance · 6,900,000 records
Data breach exposed personal information and driver's license numbers of 6.9 million people
1 Jun 2026
Critical1 Jun 2026
Major Japanese Telco
Technology · 12,000,000 records
Cyberattack exposed 12 million email accounts and related customer data
1 Jun 2026
High1 Jun 2026
Partnered Health
Healthcare · Records not stated
Patient records, personal information and medical notes stolen in cyber-attack on 21 clinics
1 Jun 2026
High1 Jun 2026
Cyberattack
Legal · 13,000 records
Cyberattack exposed hospital patient records of nearly 13,000 patients
1 Jun 2026
Critical1 Jun 2026
Fortinet (FortiBleed Campaign)
Technology · Records not stated
Credential exposure campaign compromised verified admin credentials for 73,000+ FortiGate devices
1 Jun 2026
Critical1 Jun 2026
Canada Life
Finance · 5,500,000 records
5.5 million customer, employee, and corporate records exposed via Salesforce breach
1 Jun 2026
High1 Jun 2026
Huntsville Hospital
Healthcare · Records not stated
Personal health information of patients compromised in data breach
1 Jun 2026
Critical1 Jun 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing company; 1.26M patients exposed; PEAR ransomware attack
1 Jun 2026
Critical1 Jun 2026
Fortinet
Technology · Records not stated
FortiBleed campaign exposed verified administrator credentials and VPN access for 73,000+ FortiGate firewall devices globally
1 Jun 2026
High1 Jun 2026
Analog Devices
Technology · Records not stated
Semiconductor company data breach from hacker attack detected last month
1 Jun 2026
High1 Jun 2026
Edmunds
Retail · 177,860 records
177,860 records exposed, Device information, Email addresses, IP addresses, Passwords and 2 more
1 Jun 2026
High30 May 2026
Atlas Menu
Retail · 63,926 records
63,926 records exposed, Email addresses, IP addresses, Passwords, Support tickets and 1 more
30 May 2026
Medium29 May 2026
Sloppy AI-generated npm infostealer
Sector not stated · Records not stated
Sloppy AI-generated npm infostealer leaked its own GitHub token, exposing the operator
29 May 2026
Medium28 May 2026
Kemper
Finance · 269,299 records
269,299 records exposed, Email addresses, Names, Partial credit card data, Phone numbers and 2 more
28 May 2026
High28 May 2026
Charter
Government · 4,851,517 records
4,851,517 records exposed, Email addresses, Job titles, Names, Phone numbers and 1 more
28 May 2026
Medium27 May 2026
Mytheresa
Finance · 84,108 records
84,108 records exposed, Email addresses, Names, Partial credit card data, Phone numbers and 3 more
27 May 2026
High26 May 2026
Ameriprise
Finance · 502,597 records
502,597 records exposed, Email addresses, Employers, Financial transactions, Job titles and 3 more
26 May 2026
Medium24 May 2026
7-Eleven
Government · 185,256 records
185,256 records exposed, Dates of birth, Email addresses, Names, Phone numbers and 1 more
24 May 2026
Medium21 May 2026
Grafana Labs has
Sector not stated · Records not stated
Grafana Labs has confirmed a recent data breach was caused by the TanStack supply chain attack
21 May 2026
High21 May 2026
Windows93 / Myspace93
Retail · 46,105 records
46,105 records exposed, Email addresses, IP addresses, Passwords, Usernames
21 May 2026
High21 May 2026
Dragonica Lunaris
Technology · 126,293 records
126,293 records exposed, Dates of birth, Email addresses, Names, Passwords and 2 more
21 May 2026
Medium19 May 2026
CTT
Technology · 468,124 records
468,124 records exposed, Email addresses, Names, Phone numbers
19 May 2026
Critical18 May 2026
Addi
Finance · 34,532,941 records
34,532,941 records exposed, Age groups, Credit scores, Device information, Email addresses and 9 more
18 May 2026
High14 May 2026
Abrigo
Finance · 711,099 records
711,099 records exposed, Email addresses, Employers, Job titles, Names and 2 more
14 May 2026
Were you affected?