Intelligence · Disclosure tracker
Every public disclosure, dated and sourced.
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.
5,319
Disclosures in the tracker, all years
2,034
Of those, indexed in 2026
87
Added in October
21
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 22 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Worldwide · How they got in
Incidents worldwide, by country.
72 incidents from 9 countries in the last 90 days, each from a public source and reviewed before it is shown. Where the source says how the attackers got in, the row says so.
- United Kingdom16 Oct 2026Southville Primary School (Bristol City Council area)The source does not say how they got in.Hits Radio (West of England)
High1 May 2026
Queensland schools (education technology)
Education · Records not stated
Tens of thousands of students and teachers affected in one of most significant global education technology data breaches
1 May 2026
Critical1 May 2026
ANC
Sector not stated · Records not stated
2 million private member records of African National Congress exposed by hacker group
1 May 2026
High1 May 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Medical records including Medicare numbers and pathology results exposed on dark web
1 May 2026
High1 May 2026
Exact Sciences / Abbott
Healthcare · Records not stated
Patient personal information exposed through at-home diagnostic tests
1 May 2026
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
Tens of thousands of Queensland students and teachers
Education · Records not stated
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
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