Weekly briefing No. 41 published 4 Oct 2026
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.

5,314
Disclosures in the tracker, all years
2,028
Of those, indexed in 2026
76
Added in October
21
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 21 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.

  1. Australia20 Oct 2026AOMEI TechnologyThe source does not say how they got in.SecurityWeek
  2. Australia19 Oct 2026Poole GroupThe source does not say how they got in.Accountants Daily
  3. Australia16 Oct 2026Chadwick SwitchboardsThe source does not say how they got in.Cyber Daily
Critical6 Aug 2026
Klue Supply Chain
Technology · 2,022 records
~200 firms breached via unrevoked 2022 credential
6 Aug 2026
Medium6 Aug 2026
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
Forescout found 22 internet-facing Rockwell Automation programmable logic controllers (PLCs) in cities hit by recent cyberattacks on US water utilities. Nineteen used the same mobile carrier network. Its August 3 scan…
6 Aug 2026
Medium6 Aug 2026
Liechtenstein Beneficial Register
Government · Records not stated
31K corporate ownership records breached
6 Aug 2026
Critical6 Aug 2026
Klue Supply Chain Breach
Technology · Records not stated
200 firms hit via stale OAuth credential
6 Aug 2026
Medium6 Aug 2026
The NL Times
Sector not stated · Records not stated
The NL Times reports: Online retailer Bol has warned customers about a data breach involving one of its logistics partners. The company said unauthorized parties accessed the partner’s systems, but emphasized…
6 Aug 2026
Medium6 Aug 2026
Organisation not named
Sector not stated · 100,000,000 records
The disclosure as indexed does not name the organisation.
A Canadian hacker has admitted involvement in the widespread compromise of 165 Snowflake customer accounts used to steal data and extort victims
6 Aug 2026
Medium6 Aug 2026
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
The incident involved a testing environment set up by Irregular, similar to what Anthropic reported last week. The post Meta AI Hacked External Systems During Cybersecurity Testing appeared first on SecurityWeek.
6 Aug 2026
Medium6 Aug 2026
Liechtenstein Government Register
Government · Records not stated
31K corporate beneficiary records breached
6 Aug 2026
Critical6 Aug 2026
DentaQuest Sun Life
Healthcare · Records not stated
2.6M Medicaid beneficiary records leaked
6 Aug 2026
Critical6 Aug 2026
NYC Health and Hospitals
Healthcare · 1,800,000 records
1.8M patient biometric and health records stolen
6 Aug 2026
High6 Aug 2026
GitHub
Technology · Records not stated
4,000 dev code repositories exfiltrated
6 Aug 2026
High6 Aug 2026
South Korea Diplomatic Academy
Government · Records not stated
6K diplomats PII stolen over 10 months
6 Aug 2026
High6 Aug 2026
Comcast (FBCS vendor)
Technology · 237,000 records
Comcast debt-collection vendor FBCS breach exposed personal data of approximately 237K Comcast customers alongside the broader FBCS victim count.
6 Aug 2026
High6 Aug 2026
ProHealth Medical Group
Healthcare · Records not stated
114GB patient data stolen in ransomware attack
6 Aug 2026
Critical6 Aug 2026
Snowflake customer accounts
Technology · 165,000,000 records
Attackers used stolen customer credentials (no vendor breach) to access ~165 Snowflake customer tenants including AT&T, Ticketmaster, and Advance Auto Parts.
6 Aug 2026
High6 Aug 2026
Loyalist College Canada
Education · Records not stated
INC_RANSOM ransomware attack confirmed
6 Aug 2026
High6 Aug 2026
Canadian Credit Services Firm
Finance · 28,000 records
28K records with passport photos and loan documents stolen
6 Aug 2026
Critical6 Aug 2026
CareCloud
Healthcare · 345,000 records
345K patient records stolen including SSNs and card numbers
6 Aug 2026
Critical6 Aug 2026
Navia Benefits Administration
Finance · Records not stated
2.7M SSNs and benefits records exposed
6 Aug 2026
Critical6 Aug 2026
Abbott Exact Sciences Legacy
Healthcare · 30,000,000 records
30M rows claimed stolen including 1M SSNs
6 Aug 2026
Critical6 Aug 2026
Basic-Fit Gym
Sector not stated · Records not stated
1M member bank details and PII exposed
6 Aug 2026
Critical6 Aug 2026
CareCloud Health
Healthcare · 350,000 records
350K patient SSNs and medical records stolen
6 Aug 2026
High6 Aug 2026
Ernst Young
Finance · Records not stated
Client tax documents accessed via third-party platform
6 Aug 2026
High6 Aug 2026
UK Police PNLD
Government · Records not stated
Police and government contacts published on dark web
6 Aug 2026
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