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.
5,306
Disclosures in the tracker, all years
2,020
Of those, indexed in 2026
69
Added in October
19
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 20 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,996 results · Disclosures in 2026. Clear filters
Critical9 Jul 2026
Canvas LMS Instructure
Education · 275,000,000 records
275M user records stolen across 8000 institutions
9 Jul 2026
High9 Jul 2026
Liberty Mutual Insurance
Finance · Records not stated
108GB policyholder and financial records exfiltrated
9 Jul 2026
High9 Jul 2026
French Tchap Platform
Government · Records not stated
73K government accounts and 643K messages stolen
9 Jul 2026
High9 Jul 2026
9 Jul 2026
Critical9 Jul 2026
Charter Communications Spectrum
Technology · 40,000,000 records
40M customer records stolen via vishing attack
9 Jul 2026
Critical9 Jul 2026
Credential Dump Global
Technology · Records not stated
24B stolen credentials exposed in public database
9 Jul 2026
Critical9 Jul 2026
One Medical Senior Care
Healthcare · Records not stated
Archived elderly patient clinical records breached
9 Jul 2026
Critical9 Jul 2026
Navia Benefits
Finance · Records not stated
2.7M SSNs and benefits enrollment records exposed
9 Jul 2026
High9 Jul 2026
9 Jul 2026
Critical9 Jul 2026
NYC Health + Hospitals
Healthcare · 1,800,000 records
1.8M records stolen including biometrics
9 Jul 2026
Critical9 Jul 2026
Texas Parks Wildlife Dept
Government · Records not stated
3M license holders PII exposed via vendor breach
9 Jul 2026
Critical9 Jul 2026
Charter Communications
Technology · 40,000,000 records
40M customer records exfiltrated by ShinyHunters
9 Jul 2026
Critical9 Jul 2026
AdaptHealth Corp
Healthcare · Records not stated
Patient PHI and billing credentials accessed
9 Jul 2026
Critical9 Jul 2026
Canada House of Commons
Government · Records not stated
Employee PII stolen via Microsoft SharePoint zero-day
9 Jul 2026
High9 Jul 2026
Nissan North America
Sector not stated · Records not stated
Employee SSNs stolen via Oracle PeopleSoft flaw
9 Jul 2026
Critical9 Jul 2026
9 Jul 2026
Critical9 Jul 2026
US DHS HSIN
Government · Records not stated
Federal threat intel platform breached for weeks
9 Jul 2026
Critical9 Jul 2026
Global Credential Mega-Dump
Technology · 24,000,000,000 records
24B credential records from 36 infostealer sources
9 Jul 2026
Critical9 Jul 2026
Instructure Canvas
Education · 275,000,000 records
275M records across 9K institutions stolen
9 Jul 2026
Critical9 Jul 2026
Oracle PeopleSoft CVE-2026-35273
Technology · 3,000,000 records
300+ instances hit, 100+ orgs, HR/payroll data stolen
9 Jul 2026
Critical9 Jul 2026
Klue Supply Chain Breach
Technology · Records not stated
200 firms hit via stolen OAuth tokens and CRM keys
9 Jul 2026
Critical9 Jul 2026
24B credential records from 36 breach sources exposed
Sector not stated · 24,000,000,000 records
24B credential records from 36 breach sources exposed
9 Jul 2026
Critical9 Jul 2026
World Cup security planning data
Government · Records not stated
World Cup security planning data exposed via HSIN
9 Jul 2026
High9 Jul 2026
Chemco Canada
Sector not stated · Records not stated
Ransomware attack by Qilin group ongoing
9 Jul 2026
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