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.
5,274
Disclosures in the tracker, all years
1,988
Of those, indexed in 2026
37
Added in October
8
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 14 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,945 results · Disclosures in 2026. Clear filters
High1 May 2026
Queensland schools (Australia)
Education · Records not stated
Major cyber breach affecting tens of thousands of students and teachers in education technology
1 May 2026
High1 May 2026
Queensland schools
Education · Records not stated
Tens of thousands of students and teachers affected in major education technology data breach
1 May 2026
High1 May 2026
Queensland Schools (Education Technology)
Education · Records not stated
Tens of thousands of students and teachers' data exposed in education technology breach
1 May 2026
High1 May 2026
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Tens of thousands of students and teachers affected in one of the most significant global education technology data breaches
1 May 2026
High1 May 2026
FirstClass
Retail · Records not stated
Australian travel agency; threat actor alleged customer records breach on underground hacking forums
1 May 2026
High1 May 2026
Queensland Schools (Australian Education)
Education · Records not stated
Tens of thousands of Queensland students and teachers affected in significant education technology data breach
1 May 2026
High1 May 2026
Australian schools (Queensland)
Education · Records not stated
Tens of thousands of students and teachers affected in one of most significant global education technology breaches
1 May 2026
High1 May 2026
Queensland Schools
Education · Records not stated
Tens of thousands of students and teachers affected in major education technology data breach
1 May 2026
High1 May 2026
Queensland Schools (Australia)
Education · Records not stated
Tens of thousands of students and teachers affected in education technology data breach
1 May 2026
Critical1 May 2026
Canvas
Education · 275,000,000 records
ShinyHunters breach exposed data for 275 million users; company struck deal to delete data
1 May 2026
High1 May 2026
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Tens of thousands of Queensland students and teachers affected in major education technology data breach
1 May 2026
Critical1 May 2026
Canvas/Instructure
Education · 275,000,000 records
ShinyHunters claimed breach exposing data of 275 million users from educational platform
1 May 2026
High1 May 2026
UC Berkeley Canvas
Education · 600,000 records
ShinyHunters stole approximately 600,000 records from Canvas learning platform used by 43,000 students
1 May 2026
High1 May 2026
Queensland Education Technology
Education · Records not stated
Major cyber breach affecting tens of thousands of Queensland students and teachers in education technology sector
1 May 2026
High1 May 2026
Australian Schools (Queensland)
Education · Records not stated
Education technology data breach affecting tens of thousands of students and teachers
1 May 2026
High1 May 2026
EY
Finance · Records not stated
Third-party vendor breach exposed tax client data; 81-day notification delay
1 May 2026
High1 May 2026
Tribeca Festival
Sector not stated · Records not stated
Data leak exposed hundreds of thousands of records including celebrity contact information
1 May 2026
High1 May 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Exposed GitHub repository with internal credentials and files
1 May 2026
High1 May 2026
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Tens of thousands of Queensland students and teachers affected in significant global education technology breach
1 May 2026
High1 May 2026
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Tens of thousands of students and teachers' data exposed in significant global education technology breach
1 May 2026
High1 May 2026
UC Berkeley
Education · 600,000 records
ShinyHunters stole 600K records from Canvas learning management platform
1 May 2026
High1 May 2026
Atrium Health Navicent
Healthcare · Records not stated
Patient records system breach exposing patient records and personal information
1 May 2026
Critical1 May 2026
NYC Health + Hospitals
Healthcare · 1,800,000 records
Hackers stole medical data, fingerprints, and biometric scans affecting 1.8 million people
1 May 2026
Critical1 May 2026
Foxconn
Technology · Records not stated
Ransomware group claimed to have stolen 8 terabytes of data from electronics manufacturing giant
1 May 2026
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