Disclosure tracker › Disclosures in 2026
Intelligence · Disclosure tracker
Disclosures in 2026
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.
5,287
Disclosures in the tracker, all years
2,001
Of those, indexed in 2026
49
Added in October
9
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 17 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,968 results · Disclosures in 2026. Clear filters
High1 Aug 2026
Mount Royal University
Education · Records not stated
10TB stolen, students and staff impacted
1 Aug 2026
High1 Aug 2026
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
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
Healthcare billing company data breach
Healthcare · 1,260,000 records
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
High31 Jul 2026
EY (via vendor)
Finance · Records not stated
Third-party vendor breach exposed tax client data after 15-day intrusion
31 Jul 2026
Critical31 Jul 2026
Ransomware attack
Healthcare · 1,200,000 records
Ransomware attack exposed personal data of 1.2 million individuals
31 Jul 2026
High31 Jul 2026
Ransomware attack
Education · Records not stated
Ransomware attack exposed sensitive data including driver's license numbers from Multiethnic Cohort Study
31 Jul 2026
Critical31 Jul 2026
Unnamed Medical Billing Company
Healthcare · 1,300,000 records
Ransomware attack exposed protected health data on 1.3 million people to dark web
31 Jul 2026
Critical31 Jul 2026
Suno (AI music platform)
Technology · 55,000,000 records
Data breach exposed 55 million user accounts, confirmed by monitored breach databases
31 Jul 2026
High31 Jul 2026
Fairlife
Retail · Records not stated
Ransomware attack resulted in data breach confirmed by parent company Coca-Cola
31 Jul 2026
Critical31 Jul 2026
Intesa Sanpaolo S.p.A.
Finance · Records not stated
Employee unlawfully accessed customer data over 2+ years; €31.8m fine for breach transparency/risk issues
31 Jul 2026
High31 Jul 2026
KT Corp
Technology · Records not stated
Major data breach with significant fine from South Korea's Personal Information Protection Commission
31 Jul 2026
High31 Jul 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of NHS patient records stolen in major ransomware attack disrupting healthcare services
31 Jul 2026
High31 Jul 2026
PowerSchool Holdings
Education · Records not stated
Student and teacher data breached at education software provider
31 Jul 2026
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