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.
5,339
Disclosures in the tracker, all years
2,052
Of those, indexed in 2026
111
Added in October
18
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 25 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.
74 incidents from 11 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.
- Australia22 Oct 2026Campbelltown Anglican Schools CouncilThe source does not say how they got in.Cyber Daily
- Australia20 Oct 2026AOMEI TechnologyThe source does not say how they got in.SecurityWeek
- Australia19 Oct 2026Poole GroupThe source does not say how they got in.Accountants Daily
- Australia16 Oct 2026Chadwick SwitchboardsThe source does not say how they got in.Cyber Daily
High8 Jul 2026
Tchap French Gov Messenger
Government · Records not stated
73K government accounts and 643K messages stolen
8 Jul 2026
Critical8 Jul 2026
HSIN security platform
Government · Records not stated
HSIN security platform breached by unauthorized party
8 Jul 2026
High8 Jul 2026
Aesthetic Surgical Images
Healthcare · Records not stated
Patient records stolen by INC_RANSOM
8 Jul 2026
Medium8 Jul 2026
8 Jul 2026
Critical8 Jul 2026
NYC Health Hospitals
Healthcare · 1,800,000 records
1.8M records stolen including biometrics
8 Jul 2026
Critical8 Jul 2026
8 Jul 2026
Critical8 Jul 2026
KDDI Corporation
Technology · 14,200,000 records
14.2M email credentials exposed across 6 ISPs
8 Jul 2026
Critical8 Jul 2026
DHS Homeland Security Network
Government · Records not stated
Federal intel-sharing platform breached
8 Jul 2026
Critical8 Jul 2026
One Medical Seniors
Healthcare · 830,000 records
Clinical and demographic records of 830K patients exposed
8 Jul 2026
High8 Jul 2026
Chemco Calgary
Sector not stated · Records not stated
Ransomware attack by Qilin group ongoing
8 Jul 2026
High8 Jul 2026
8 Jul 2026
High8 Jul 2026
8 Jul 2026
Critical8 Jul 2026
NYC Health and Hospitals
Healthcare · 1,800,000 records
1.8M records with biometrics and SSNs breached
8 Jul 2026
Critical8 Jul 2026
Nissan North America
Sector not stated · Records not stated
Employee SSNs and bank data stolen via PeopleSoft
8 Jul 2026
Critical8 Jul 2026
8 Jul 2026
Critical8 Jul 2026
8 Jul 2026
Critical8 Jul 2026
HSIN security network
Government · Records not stated
HSIN security network breached, data exfiltrated
8 Jul 2026
Critical8 Jul 2026
8 Jul 2026
Medium7 Jul 2026
Chase Jordan
Government · Records not stated
Chase Jordan reports an update in the litigation stemming from a 2024 breach by Hunters International. This case has raised a number of issues about standing and negligence and has been up and down in the courts, with…
7 Jul 2026
Medium7 Jul 2026
KIRO7
Healthcare · 8,600 records
KIRO7 reports: The Washington Department of Social and Health Services (DSHS) is issuing a notice of a massive data breach that happened in March, potentially compromising the personal data of around 8,600 people. An…
7 Jul 2026
Critical7 Jul 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
The alleged victim, believed to be a small Ohio county, reportedly paid the extortion group to prevent the public release of sensitive stolen data.
The post County Government Reportedly Paid $1 Million to Cyber…
7 Jul 2026
Medium7 Jul 2026
Accenture
Sector not stated · Records not stated
IT services giant Accenture has confirmed it suffered a security breach after a threat actor claimed to have stolen 35 GB of source code and other data from the company.
7 Jul 2026
Critical6 Jul 2026
JadePuffer
Sector not stated · Records not stated
An "agentic threat actor" successfully exploited a Langflow flaw to steal data from a production database server and encrypt other systems.
6 Jul 2026
Critical6 Jul 2026
Carrie Tait
Legal · Records not stated
Carrie Tait reports: A retired lawyer is suing Alberta, its Chief Electoral Officer and two organizations that support secession for their respective roles in an alleged data breach affecting 2.9 million residents in…
6 Jul 2026
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