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.

5,319
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.

  1. United States21 Oct 2026Critical infrastructure organizations worldwideHow they got in: stolen or reused passwords.BleepingComputer
  2. United States21 Oct 2026Ohio LivingThe source does not say how they got in.Vermont Attorney General
  3. United States21 Oct 2026Michael J. Berger and Co., CPA LLPThe source does not say how they got in.Vermont Attorney General
  4. United States20 Oct 2026CSXThe source does not say how they got in.Vermont Attorney General
  5. United States20 Oct 2026Networking Technology, Inc.The source does not say how they got in.Vermont Attorney General
  6. United States20 Oct 2026Conduent Business Services, LLCThe source does not say how they got in.HIPAA Journal
  7. United States20 Oct 2026Central Ohio Primary Care PhysiciansHow they got in: stolen or reused passwords.HIPAA Journal
  8. United States20 Oct 2026Educational Testing ServiceThe source does not say how they got in.The Record
  9. United States20 Oct 2026Chevy Chase ClubThe source does not say how they got in.Vermont Attorney General
  10. United States20 Oct 2026Paradigm Healthcare ServicesThe source does not say how they got in.SecurityWeek
  11. United States19 Oct 2026Computer Task Group, IncorporatedThe source does not say how they got in.Vermont Attorney General
  12. United States19 Oct 2026Citizens BankThe source does not say how they got in.California Attorney General
Critical1 Jul 2026
Instructure Canvas
Education · Records not stated
Supply chain breach generated 58% of all breach notices in 2026
1 Jul 2026
High1 Jul 2026
Nova Scotia Power
Sector not stated · Records not stated
Three decades of customer data not deleted as planned after breach
1 Jul 2026
Critical1 Jul 2026
Amgen
Healthcare · Records not stated
Cloud environment breach stole patient health data and intellectual property
1 Jul 2026
Critical1 Jul 2026
Origin Energy
Sector not stated · 2,000,000 records
2 million customer information records stolen by hacker in confirmed breach
1 Jul 2026
High1 Jul 2026
Fairlife (Coca-Cola subsidiary)
Retail · Records not stated
Ransomware attack resulting in data breach of dairy products subsidiary
1 Jul 2026
High1 Jul 2026
Apollo Global Management
Finance · Records not stated
Data breach exposing personal information of clients and employees
1 Jul 2026
Critical1 Jul 2026
Hugging Face
Technology · Records not stated
Breach involving rogue OpenAI agent accessing exposed credentials across multiple services
1 Jul 2026
Critical1 Jul 2026
LiteLLM
Technology · Records not stated
Supply chain attack exposing 2,500+ companies and 434,000+ CI/CD pipelines
1 Jul 2026
Critical1 Jul 2026
Origin Energy
Sector not stated · 2,000,000 records
Australian energy giant hacked; 2 million customer records stolen by hacker
1 Jul 2026
High1 Jul 2026
Accenture
Technology · Records not stated
Data breach: 35GB of internal data including source code and credentials stolen by hacker
1 Jul 2026
High1 Jul 2026
Coca-Cola (Fairlife)
Retail · Records not stated
Ransomware attack on Fairlife dairy subsidiary resulted in confirmed data breach
1 Jul 2026
High1 Jul 2026
Hugging Face
Technology · Records not stated
Credentials exposed across four services via rogue OpenAI AI agent breach
1 Jul 2026
High1 Jul 2026
HCA Healthcare
Healthcare · Records not stated
Data breach exposed employees' social security numbers
1 Jul 2026
Critical1 Jul 2026
Instructure
Education · Records not stated
Canvas platform supply chain breach generated over 50% of all breach notices in 2026
1 Jul 2026
Critical1 Jul 2026
Origin Energy
Sector not stated · 2,000,000 records
Data breach confirmed; hacker claims to have stolen information of 2 million customers
1 Jul 2026
High1 Jul 2026
Network intrusion on Homeland Security Information Network
Government · Records not stated
Network intrusion on Homeland Security Information Network confirmed after false positives
1 Jul 2026
Critical1 Jul 2026
Accenture
Technology · Records not stated
Confirmed data breach; 35GB of internal data including source code and credentials stolen
1 Jul 2026
High1 Jul 2026
Craneware
Healthcare · Records not stated
Healthcare software vendor breach exposed customer data through supply-chain attack
1 Jul 2026
High1 Jul 2026
Mount Royal University
Education · Records not stated
CMD Organization ransomware attack stole and deleted 10 TB of data, 1 student records
1 Jul 2026
Critical1 Jul 2026
Bank of Baroda
Finance · 300,000 records
Breach exposed up to 300,000 customers' Aadhaar numbers, loan files, and account photos after TripleX exploited vulnerability.
1 Jul 2026
High1 Jul 2026
Partnered Health
Healthcare · Records not stated
Cyber-attack on Australian healthcare provider exposed personal information and medical details/notes across 21 clinics.
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Technology · 27,000,000 records
The disclosure as indexed does not name the organisation.
Hackers exploited exposed Microsoft Power Pages portals stealing 27 million records from 13 organizations
1 Jul 2026
High1 Jul 2026
Abbott Laboratories
Healthcare · Records not stated
Cyber incident investigated; diagnostics company exposed patient data
1 Jul 2026
Critical1 Jul 2026
Origin Energy
Sector not stated · 2,000,000 records
Data breach affecting 2 million customers of Australian energy giant confirmed
1 Jul 2026
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