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.

5,314
Disclosures in the tracker, all years
2,028
Of those, indexed in 2026
76
Added in October
21
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 21 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

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
High1 Aug 2026
Chick-fil-A
Retail · Records not stated
Account credentials stolen via stuffing attack
1 Aug 2026
High1 Aug 2026
Origin Energy
Sector not stated · Records not stated
Customer data exposed in confirmed cyberattack
1 Aug 2026
High1 Aug 2026
Mount Royal University
Education · Records not stated
10TB stolen from Canadian university systems
1 Aug 2026
High1 Aug 2026
South Korea Diplomatic Academy
Government · Records not stated
6K diplomat records stolen over 10 months
1 Aug 2026
High1 Aug 2026
Abbott Laboratories
Healthcare · Records not stated
Customer data stolen via voice phishing campaign
1 Aug 2026
Critical1 Aug 2026
Craneware
Healthcare · Records not stated
Significant data stolen affecting 2K US hospitals
1 Aug 2026
Critical1 Aug 2026
EY Tax Practice
Finance · Records not stated
SSNs and tax data stolen via third-party helpdesk
1 Aug 2026
High31 Jul 2026
Telecom subsidiaries (France)
Technology · Records not stated
Data breach resulting in €42 million GDPR fines for lack of basic security controls in 2024
31 Jul 2026
High31 Jul 2026
Yearslong data breach
Healthcare · Records not stated
Yearslong data breach exposed residents' private health-related information
31 Jul 2026
Critical31 Jul 2026
Suno
Technology · 55,000,000 records
Data breach exposed 55 million user accounts on AI music platform
31 Jul 2026
Critical31 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing company data breach exposed sensitive information affecting 1.26 million people
31 Jul 2026
High31 Jul 2026
Unauthorized access compromised information; breach reported in 2024
Government · Records not stated
Unauthorized access compromised information; breach reported in 2024
31 Jul 2026
High31 Jul 2026
French Telco Subsidiaries
Technology · Records not stated
Data breach from 2024 with cybersecurity vulnerabilities; company fined €42 million by French regulator
31 Jul 2026
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