Weekly briefing No. 42 published 30 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.

5,400
Disclosures in the tracker, all years
2,115
Of those, indexed in 2026
28
Added in November
35
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 5 Nov 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.

77 incidents from 10 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 States4 Nov 2026New Century Ophthamology P.C.The source does not say how they got in.Vermont Attorney General
  2. United States4 Nov 2026Alation Inc.The source does not say how they got in.Vermont Attorney General
  3. United States3 Nov 2026Liberation Programs, Inc.The source does not say how they got in.Vermont Attorney General
  4. United States3 Nov 2026Hippo Analytics Inc.The source does not say how they got in.California Attorney General
  5. United States3 Nov 2026Peninsula Corridor Joint Powers Board (Caltrain)The source does not say how they got in.California Attorney General
  6. United States3 Nov 2026Center Theatre Group of Los AngelesThe source does not say how they got in.California Attorney General
  7. United States3 Nov 2026Upland Unified School DistrictThe source does not say how they got in.California Attorney General
  8. United States3 Nov 2026Mavis Tire Supply LLCThe source does not say how they got in.Vermont Attorney General
  9. United States3 Nov 2026Mindbloom Provider Group, PAThe source does not say how they got in.Vermont Attorney General
  10. United States3 Nov 2026ISCO InternationalThe source does not say how they got in.Vermont Attorney General
  11. United States3 Nov 2026Ritz-Clark & Ben-Asher LLPThe source does not say how they got in.Vermont Attorney General
  12. United States2 Nov 2026Magnolia Management Company, LLCThe source does not say how they got in.Vermont Attorney General
High8 Mar 2024
Cyberattack compromised member personal data
Healthcare · Records not stated
Cyberattack compromised member personal data
8 Mar 2024
High8 Mar 2024
443K patient records exposed in vendor breach
Healthcare · 443,000 records
443K patient records exposed in vendor breach
8 Mar 2024
High8 Mar 2024
Cyberattack compromised member personal data
Healthcare · Records not stated
Cyberattack compromised member personal data
8 Mar 2024
High8 Mar 2024
443K patient records exposed in vendor breach
Healthcare · 443,000 records
443K patient records exposed in vendor breach
8 Mar 2024
High8 Mar 2024
Cyberattack compromised member personal data
Healthcare · Records not stated
Cyberattack compromised member personal data
8 Mar 2024
High8 Mar 2024
443K patient records exposed in vendor breach
Healthcare · 443,000 records
443K patient records exposed in vendor breach
8 Mar 2024
High8 Mar 2024
Cyberattack compromised member personal data
Healthcare · Records not stated
Cyberattack compromised member personal data
8 Mar 2024
High8 Mar 2024
443K patient records exposed in vendor breach
Healthcare · 443,000 records
443K patient records exposed in vendor breach
8 Mar 2024
High8 Mar 2024
Cyberattack compromised member personal data
Healthcare · Records not stated
Cyberattack compromised member personal data
8 Mar 2024
High8 Mar 2024
443K patient records exposed in vendor breach
Healthcare · 443,000 records
443K patient records exposed in vendor breach
8 Mar 2024
High8 Mar 2024
Cyberattack compromised member personal data
Healthcare · Records not stated
Cyberattack compromised member personal data
8 Mar 2024
High8 Mar 2024
443K patient records exposed in vendor breach
Healthcare · 443,000 records
443K patient records exposed in vendor breach
8 Mar 2024
High8 Mar 2024
Cyberattack compromised member personal data
Healthcare · Records not stated
Cyberattack compromised member personal data
8 Mar 2024
High8 Mar 2024
443K patient records exposed in vendor breach
Healthcare · 443,000 records
443K patient records exposed in vendor breach
8 Mar 2024
High8 Mar 2024
Cyberattack compromised member personal data
Healthcare · Records not stated
Cyberattack compromised member personal data
8 Mar 2024
High8 Mar 2024
443K patient records exposed in vendor breach
Healthcare · 443,000 records
443K patient records exposed in vendor breach
8 Mar 2024
High8 Mar 2024
Cyberattack compromised member personal data
Healthcare · Records not stated
Cyberattack compromised member personal data
8 Mar 2024
High8 Mar 2024
443K patient records exposed in vendor breach
Healthcare · 443,000 records
443K patient records exposed in vendor breach
8 Mar 2024
High8 Mar 2024
Cyberattack compromised member personal data
Healthcare · Records not stated
Cyberattack compromised member personal data
8 Mar 2024
High8 Mar 2024
443K patient records exposed in vendor breach
Healthcare · 443,000 records
443K patient records exposed in vendor breach
8 Mar 2024
High8 Mar 2024
Cyberattack compromised member personal data
Healthcare · Records not stated
Cyberattack compromised member personal data
8 Mar 2024
High8 Mar 2024
443K patient records exposed in vendor breach
Healthcare · 443,000 records
443K patient records exposed in vendor breach
8 Mar 2024
High8 Mar 2024
Cyberattack compromised member personal data
Healthcare · Records not stated
Cyberattack compromised member personal data
8 Mar 2024
High8 Mar 2024
443K patient records exposed in vendor breach
Healthcare · 443,000 records
443K patient records exposed in vendor breach
8 Mar 2024
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