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.

5,318
Disclosures in the tracker, all years
2,033
Of those, indexed in 2026
86
Added in October
20
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 2026Michael J. Berger and Co., CPA LLPThe source does not say how they got in.Vermont Attorney General
  3. United States20 Oct 2026CSXThe source does not say how they got in.Vermont Attorney General
  4. United States20 Oct 2026Networking Technology, Inc.The source does not say how they got in.Vermont Attorney General
  5. United States20 Oct 2026Conduent Business Services, LLCThe source does not say how they got in.HIPAA Journal
  6. United States20 Oct 2026Central Ohio Primary Care PhysiciansHow they got in: stolen or reused passwords.HIPAA Journal
  7. United States20 Oct 2026Educational Testing ServiceThe source does not say how they got in.The Record
  8. United States20 Oct 2026Chevy Chase ClubThe source does not say how they got in.Vermont Attorney General
  9. United States20 Oct 2026Paradigm Healthcare ServicesThe source does not say how they got in.SecurityWeek
  10. United States19 Oct 2026Computer Task Group, IncorporatedThe source does not say how they got in.Vermont Attorney General
  11. United States19 Oct 2026Citizens BankThe source does not say how they got in.California Attorney General
  12. United States19 Oct 2026STS Aviation GroupThe source does not say how they got in.California Attorney General
Critical1 Jul 2026
Network intrusion
Government · Records not stated
Network intrusion confirmed after being twice ruled false positive, supporting World Cup infrastructure
1 Jul 2026
High1 Jul 2026
Coca-Cola Fairlife
Retail · Records not stated
Ransomware attack on dairy products subsidiary Fairlife resulted in confirmed data breach
1 Jul 2026
High1 Jul 2026
Network intrusion
Government · Records not stated
Network intrusion confirmed on Homeland Security Information Network supporting World Cup operations
1 Jul 2026
High1 Jul 2026
Fairlife (Coca-Cola subsidiary)
Retail · Records not stated
Ransomware attack resulted in confirmed data breach; production suspended
1 Jul 2026
High1 Jul 2026
KT
Technology · Records not stated
Data breach via illegal base stations, fined 54 billion won
1 Jul 2026
High1 Jul 2026
Bank of Baroda
Finance · Records not stated
Major cyberattack; alleged data breach in India affecting bank records
1 Jul 2026
High1 Jul 2026
Lifespan Physicians Group
Healthcare · 290,000 records
Data breach exposed over 290,000 patient records
1 Jul 2026
High1 Jul 2026
Partnered Health
Healthcare · Records not stated
Patient records stolen in cyber-attack affecting 21 Australian clinics; personal and medical data breached
1 Jul 2026
High1 Jul 2026
All About Women's Care
Healthcare · 12,000 records
Data breach compromised information of 12,000 patients in Colorado
1 Jul 2026
Critical1 Jul 2026
Accenture
Technology · Records not stated
Threat actor stole vast trove of sensitive data including access keys and source code from consulting giant
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 being ruled false positive twice
1 Jul 2026
Critical1 Jul 2026
Instructure Canvas (Supply Chain)
Education · Records not stated
Single supply chain breach generated 58% of all breach notices in 2026
1 Jul 2026
Critical1 Jul 2026
Accenture
Technology · Records not stated
Threat actor claims theft of vast trove of sensitive data including access keys and source code
1 Jul 2026
Critical1 Jul 2026
Network intrusion on Homeland Security Information Network
Government · Records not stated
Network intrusion on Homeland Security Information Network confirmed after twice being ruled false positive
1 Jul 2026
High1 Jul 2026
Coca-Cola (Fairlife subsidiary)
Retail · Records not stated
Ransomware attack on dairy subsidiary resulted in theft of company data
1 Jul 2026
High1 Jul 2026
Coca-Cola/Fairlife
Retail · Records not stated
Ransomware attack on dairy subsidiary resulted in data breach
1 Jul 2026
High1 Jul 2026
Department of Homeland Security
Government · Records not stated
Network intrusion on Homeland Security Information Network confirmed after being twice ruled false positive
1 Jul 2026
High1 Jul 2026
Coca-Cola/Fairlife
Retail · Records not stated
Ransomware attack on dairy subsidiary resulted in confirmed data breach
1 Jul 2026
High1 Jul 2026
Bank of Baroda
Finance · Records not stated
Major data breach affecting Indian corporate operations
1 Jul 2026
High1 Jul 2026
Partnered Health
Healthcare · Records not stated
Cyber-attack on 21 clinics exposed personal information and medical details and notes
1 Jul 2026
High1 Jul 2026
Lifespan Physicians Group
Healthcare · 290,000 records
Data breach exposed sensitive information of at least 290,000 patient records
1 Jul 2026
High1 Jul 2026
Fairlife (Coca-Cola subsidiary)
Retail · Records not stated
Company data stolen in ransomware attack on dairy subsidiary
1 Jul 2026
Critical1 Jul 2026
Qantas
Retail · Records not stated
Simple human error exposed 5.7 million Qantas passenger records and personal information.
1 Jul 2026
Critical1 Jul 2026
Accenture
Technology · Records not stated
Consulting giant Accenture suffered cyberattack with theft of vast trove of sensitive data including access keys and source code.
1 Jul 2026
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