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.
5,299
Disclosures in the tracker, all years
2,012
Of those, indexed in 2026
58
Added in October
14
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 19 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,981 results · Disclosures in 2026. Clear filters
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
Critical1 May 2026
Fortinet
Technology · Records not stated
FortiBleed campaign exposed verified credentials for 73,000+ FortiGate devices
1 May 2026
High1 May 2026
Partnered Health
Healthcare · Records not stated
Cyber-attack exposed Medicare numbers, treatment details and pathology results from Australian clinics
1 May 2026
Critical1 May 2026
Synnovis
Healthcare · 900,000 records
Thousands of patient records from NHS trust in Essex stolen during major ransomware attack
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 most significant global education technology data breaches
1 May 2026
Critical1 May 2026
Canada Life
Finance · 5,500,000 records
5.5 million records allegedly compromised including customer, employee and corporate data
1 May 2026
Critical1 May 2026
African National Congress
Sector not stated · Records not stated
2 million private member records exposed and offered for sale by hackers
1 May 2026
High1 May 2026
Idaho State University
Education · Records not stated
Ransomware attack disrupted finals week and affected thousands of schools
1 May 2026
Critical1 May 2026
Radiology Associates of Richmond
Healthcare · 266,000 records
266,000 people affected, protected health information compromised
1 May 2026
High1 May 2026
SplitVPN
Technology · 865,000 records
Personal records of approximately 865,000 users exposed in data breach
1 May 2026
High1 May 2026
Valley Kidney Specialists
Healthcare · Records not stated
Personal and health information of patients exposed in data breach
1 May 2026
High1 May 2026
Allstate
Finance · Records not stated
Employee-related records exposed in data breach affecting insurer
1 May 2026
Critical1 May 2026
Accenture
Technology · Records not stated
Data breach; 35GB of internal data stolen including source code and credentials
1 May 2026
High1 May 2026
Queensland Schools Education Technology
Education · Records not stated
Major cyber breach affecting tens of thousands of Queensland students and teachers globally
1 May 2026
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