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.
5,278
Disclosures in the tracker, all years
1,991
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
CISA (Internal)
Government · Records not stated
Exposed GitHub repository included internal credentials and files
1 May 2026
High1 May 2026
The Oncology Institute
Healthcare · Records not stated
Patient data potentially exposed through third-party vendor breach detected by Kroll administrator
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 impacted in major global education technology data breach
1 May 2026
High1 May 2026
Australian Medical Clinics (Partnered)
Healthcare · Records not stated
Cyberattack exposed Medicare numbers, treatment details, and pathology results
1 May 2026
High1 May 2026
Queensland Education Technology Provider
Education · Records not stated
Major cyber breach exposing tens of thousands of Queensland students and teachers data
1 May 2026
Critical1 May 2026
Partnered Health (Australian clinics)
Healthcare · Records not stated
Data breach exposed Medicare numbers, treatment details, and pathology results; records could be sold on dark web
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 student and teacher records compromised in major 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 Queensland students and teachers affected in one of the most significant global education technology data breaches.
1 May 2026
High1 May 2026
Queensland education technology
Education · Records not stated
Tens of thousands of students and teachers affected in major breach of Australian schools
1 May 2026
High1 May 2026
Queensland Education Technology (Schools)
Education · Records not stated
Tens of thousands of Queensland students and teachers data compromised in major education technology breach
1 May 2026
High1 May 2026
Organisation not named
Healthcare · 13,000 records
The disclosure as indexed does not name the organisation.
Hospital patient records for ~13,000 patients exposed via cyberattack on law firm
1 May 2026
High1 May 2026
Australian Schools
Education · Records not stated
Significant education technology breach exposed tens of thousands of Queensland students and teachers
1 May 2026
High1 May 2026
Department for Education (DfE)
Government · 607,000 records
Cyberattack exposed approximately 607,000 records containing sensitive government education data.
1 May 2026
Critical1 May 2026
Queensland Education Technology System
Education · Records not stated
Major cyber breach affecting tens of thousands of Queensland students and teachers in one of most significant global education tech data breaches
1 May 2026
High1 May 2026
Queensland education technology provider
Education · Records not stated
Major cyber breach affecting tens of thousands of Queensland students and teachers
1 May 2026
Critical1 May 2026
Partnered clinics (Australian)
Healthcare · Records not stated
Data breach exposed patients' medical records including Medicare numbers, treatment details and pathology results
1 May 2026
Critical1 May 2026
Origin Energy
Sector not stated · 2,000,000 records
2 million customer information records stolen in data breach
1 May 2026
Critical1 May 2026
Fairlife (Coca-Cola)
Retail · Records not stated
Ransomware attack shut down dairy operations; data encrypted in attack
1 May 2026
Critical1 May 2026
Canvas / Instructure
Education · Records not stated
ShinyHunters breach exposed data on 275M educational platform users; ransomware attack
1 May 2026
High1 May 2026
fairlife (Coca-Cola)
Retail · Records not stated
Ransomware attack shut down dairy operations; data breach during incident
1 May 2026
Critical1 May 2026
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Major cyber breach affecting tens of thousands of students and teachers in global education technology incident
1 May 2026
Critical1 May 2026
Tata Electronics
Technology · Records not stated
Data breach confirmed; 630GB stolen including Apple supplier and Tesla documents
1 May 2026
Critical1 May 2026
Coca-Cola (Fairlife)
Retail · Records not stated
Ransomware attack shut down dairy operations; disclosed to SEC
1 May 2026
Critical1 May 2026
Partnered Australian Clinics
Healthcare · Records not stated
Data breach exposed Medicare numbers, treatment details and pathology results; records could be sold on dark web
1 May 2026
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