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.

5,342
Disclosures in the tracker, all years
2,057
Of those, indexed in 2026
119
Added in October
16
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 26 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.

  1. United States23 Oct 2026Ford Audio-Video Systems, LLCThe source does not say how they got in.Vermont Attorney General
  2. United States23 Oct 2026Industrial and healthcare organizationsHow they got in: a known flaw in software the victim ran.The Hacker News
  3. United States23 Oct 2026EyeMed Vision Care, LLCThe source does not say how they got in.Vermont Attorney General
  4. United States23 Oct 2026Alabama Fire CollegeThe source does not say how they got in.Vermont Attorney General
  5. United States23 Oct 2026UltraMobile ImagingThe source does not say how they got in.HIPAA Journal
  6. United States23 Oct 2026Washington GastroenterologyThe source does not say how they got in.HIPAA Journal
  7. United States23 Oct 2026Tarter Krinsky & DroginThe source does not say how they got in.HIPAA Journal
  8. United States23 Oct 2026Quest DiagnosticsThe source does not say how they got in.SecurityWeek
  9. United States22 Oct 2026Dill Dill Carr Stonbraker & Hutchings, P.C.The source does not say how they got in.California Attorney General
  10. United States22 Oct 2026BASS Medical GroupThe source does not say how they got in.California Attorney General
  11. United States22 Oct 2026Summit School DistrictThe source does not say how they got in.Vermont Attorney General
  12. United States22 Oct 2026Nordace Limited d/b/a NordaceThe source does not say how they got in.Vermont Attorney General
High1 Apr 2026
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
April 2026 data breach resulted in eight class-action lawsuits
1 Apr 2026
High1 Apr 2026
Line Yahoo
Technology · Records not stated
Data leak resulted in ending of Naver ties and shift in control debate in Japan
1 Apr 2026
Critical1 Apr 2026
ANTS (French ID Agency)
Government · 19,000,000 records
Major cyberattack exposed 19 million records from France's national identity agency
1 Apr 2026
Critical1 Apr 2026
Intesa Sanpaolo S.p.A.
Finance · Records not stated
Employee insider threat unlawfully accessed data for over two years; €31.8M fine imposed
1 Apr 2026
High1 Apr 2026
Legend Senior Care
Healthcare · Records not stated
Senior care provider affected by ransomware attack with data security incident
1 Apr 2026
High1 Apr 2026
Windward Life Care
Healthcare · Records not stated
Senior care provider in California affected by ransomware attack with data security incident
1 Apr 2026
High1 Apr 2026
Veradigm
Healthcare · Records not stated
Electronic health record company had customer data stolen after vendor system infiltration
1 Apr 2026
High1 Apr 2026
Heart South Cardiovascular Group
Healthcare · 46,666 records
Data breach exposed personal and health records of approximately 46,666 patients.
1 Apr 2026
High1 Apr 2026
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Customer data breach from April 2026, subject of 8 class action lawsuits
1 Apr 2026
High1 Apr 2026
Ryanair
Sector not stated · Records not stated
Breach exposing legal emails, flight data, and banking details claimed on hacker forum
1 Apr 2026
Critical1 Apr 2026
UK Biobank
Healthcare · Records not stated
De-identified health records of 500,000+ Britons offered for sale on Chinese website
1 Apr 2026
High1 Apr 2026
Legend Senior Care
Healthcare · Records not stated
Ransomware attack disclosed affecting senior care provider
1 Apr 2026
High1 Apr 2026
Windward Life Care
Healthcare · Records not stated
Ransomware attack disclosed affecting senior care provider in California
1 Apr 2026
High1 Apr 2026
Nissan
Technology · Records not stated
Hacking group breached file-transfer system of third-party vendor serving Nissan and Infiniti
1 Apr 2026
Critical1 Apr 2026
ANTS (France)
Government · 19,000,000 records
Cyberattack on France's identity agency exposed 19 million records including personal data
1 Apr 2026
High1 Apr 2026
Data breach
Retail · Records not stated
Data breach exposed customer information; 8 class action lawsuits filed
1 Apr 2026
Critical1 Apr 2026
Rockstar Games
Technology · Records not stated
ShinyHunters breached Rockstar Games through Anodot's compromised Snowflake access
1 Apr 2026
Critical1 Apr 2026
ANTS (French ID Agency)
Government · 19,000,000 records
19 million records exposed including personal identity data
1 Apr 2026
High1 Apr 2026
Legend Senior Care
Healthcare · Records not stated
Senior care provider affected by ransomware attack, data security incident disclosed
1 Apr 2026
High1 Apr 2026
Windward Life Care
Healthcare · Records not stated
Senior care provider affected by ransomware attack, data security incident disclosed
1 Apr 2026
High1 Apr 2026
Nissan
Technology · Records not stated
Data breach via third-party vendor's file-transfer system compromised by hacking group
1 Apr 2026
High1 Apr 2026
Heart South Cardiovascular Group
Healthcare · 46,666 records
Data breach affected 46,666 patients, exposing personal and health information
1 Apr 2026
High1 Apr 2026
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
April 2026 data breach; 8 class action lawsuits filed by September
1 Apr 2026
High1 Apr 2026
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
April 2026 data breach facing 8 class action lawsuits
1 Apr 2026
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