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.

5,337
Disclosures in the tracker, all years
2,050
Of those, indexed in 2026
104
Added in October
24
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 23 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.

71 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 Aug 2026
KDDI
Technology · 12,000,000 records
12M email accounts and 7.6M passwords exposed
1 Aug 2026
Critical1 Aug 2026
US DHS Info Network
Government · Records not stated
Federal security network breached pre-FIFA World Cup
1 Aug 2026
Critical1 Aug 2026
Ernst Young
Finance · Records not stated
SSNs and tax records stolen from helpdesk platform
1 Aug 2026
Critical1 Aug 2026
Abbott Exact Sciences
Healthcare · 30,000,000 records
30M patient records stolen via vishing attack
1 Aug 2026
High1 Aug 2026
Unlimited Technology Systems
Healthcare · 442,000 records
442K patient records exposed in ransomware attack
1 Aug 2026
Critical1 Aug 2026
Abbott / Exact Sciences
Healthcare · 30,000,000 records
30M rows stolen, 1M SSNs exposed
1 Aug 2026
Critical1 Aug 2026
Coca-Cola Fairlife
Sector not stated · Records not stated
1TB data stolen in ransomware attack
1 Aug 2026
High1 Aug 2026
Klue
Technology · Records not stated
200 firms hit via stolen OAuth credentials
1 Aug 2026
Critical1 Aug 2026
Cardiovascular Institute New England
Healthcare · Records not stated
Full medical and financial records confirmed exposed
1 Aug 2026
Critical1 Aug 2026
Nissan Motor
Sector not stated · 53,000 records
SSNs and banking data stolen from US and Canada employees
1 Aug 2026
Critical1 Aug 2026
AssuranceAmerica Insurance
Finance · Records not stated
6.9M driver license numbers stolen
1 Aug 2026
Critical1 Aug 2026
Craneware Healthcare Billing
Healthcare · Records not stated
Patient and customer data stolen from 12K US facilities
1 Aug 2026
High1 Aug 2026
Klue
Technology · Records not stated
200 firms breached via stale Salesforce credential
1 Aug 2026
High1 Aug 2026
Estee Lauder
Retail · Records not stated
SSNs, passports, bank data stolen from employees
1 Aug 2026
Critical1 Aug 2026
Fairlife Coca-Cola
Sector not stated · Records not stated
Ransomware hit production systems, 1TB data stolen
1 Aug 2026
Critical1 Aug 2026
EY Ernst Young
Finance · Records not stated
SSNs, tax records, card numbers stolen from clients
1 Aug 2026
Critical1 Aug 2026
KDDI
Technology · 14,200,000 records
14.2M email credentials exposed at six ISPs
1 Aug 2026
High1 Aug 2026
Cardiovascular Institute NE
Healthcare · Records not stated
SSNs and patient medical records leaked
1 Aug 2026
High1 Aug 2026
South Korea MFA
Government · Records not stated
6000 diplomat records stolen over 10 months
1 Aug 2026
High1 Aug 2026
Unlimited Systems
Healthcare · 442,000 records
442K patient records exposed in ransomware
1 Aug 2026
Critical1 Aug 2026
Suno AI
Technology · 55,000,000 records
55M user names and addresses stolen
1 Aug 2026
Critical1 Aug 2026
Ernst and Young
Finance · Records not stated
SSNs and tax data stolen via support system
1 Aug 2026
Critical1 Aug 2026
Fluke Corporation
Technology · Records not stated
21M Salesforce records with PII compromised
1 Aug 2026
High1 Aug 2026
Mount Royal University
Education · Records not stated
10TB stolen, students and staff impacted
1 Aug 2026
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