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.

5,405
Disclosures in the tracker, all years
2,119
Of those, indexed in 2026
40
Added in November
41
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 6 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
High1 Mar 2024
Fujitsu
Technology · Records not stated
Company computers compromised with malware, possible data breach under investigation
1 Mar 2024
High1 Mar 2024
Fujitsu
Technology · Records not stated
Company systems compromised with malware, possible data breach under investigation
1 Mar 2024
High1 Mar 2024
Fujitsu
Technology · Records not stated
Multiple company computers compromised with malware; possible data breach under investigation
1 Mar 2024
High1 Mar 2024
Nissan Oceania
Retail · 100,000 records
Data breach impacting 100,000 individuals in Australia and New Zealand
1 Mar 2024
High1 Mar 2024
Nissan Oceania
Retail · 100,000 records
Data breach impacts 100,000 individuals in Australia and New Zealand
1 Mar 2024
High1 Mar 2024
Fujitsu
Technology · Records not stated
Malware found on company systems; possible data breach under investigation
1 Mar 2024
High1 Mar 2024
Nissan Oceania
Retail · 100,000 records
Data breach impacted 100,000 individuals in Australia and New Zealand
1 Mar 2024
High1 Mar 2024
Fujitsu
Technology · Records not stated
Malware found on company systems with possible data breach investigation
1 Mar 2024
Critical1 Mar 2024
TriZetto
Healthcare · 3,400,000 records
3.4 million people's health and personal data stolen in 2024 cyberattack, confirmed in 2026
1 Mar 2024
High1 Mar 2024
FRANCE TRAVAIL
Government · Records not stated
Hacker breach of information system in Q1 2024, resulted in €5 million fine
1 Mar 2024
High1 Mar 2024
Commonwealth Healthcare Corporation
Healthcare · Records not stated
Patient data breached
1 Mar 2024
High1 Mar 2024
Fujitsu Limited
Technology · Records not stated
Malware compromised company systems, leading to possible data breach investigation
1 Mar 2024
Medium1 Mar 2024
City of Birmingham AL
Government · 56,000 records
56K records exposed in data breach
1 Mar 2024
Medium1 Mar 2024
Loretto Hospital
Healthcare · 89,000 records
89K patient records exposed in ransomware
1 Mar 2024
Critical28 Feb 2024
Cutout.Pro
Technology · 19,972,829 records
19,972,829 records exposed, Email addresses, IP addresses, Names, Passwords
28 Feb 2024
High28 Feb 2024
Tangerine
Technology · 243,462 records
243,462 records exposed, Dates of birth, Email addresses, Names, Passwords and 3 more
28 Feb 2024
Critical27 Feb 2024
Cutout.Pro
Technology · 20,000,000 records
20M user records exposed
27 Feb 2024
Critical25 Feb 2024
City of Hamilton
Government · Records not stated
Ransomware disrupted city services for weeks
25 Feb 2024
High25 Feb 2024
City of Hamilton Ransomware
Government · Records not stated
Ransomware disrupted city services for weeks, phone lines, transit, online services down
25 Feb 2024
High23 Feb 2024
Thyssenkrupp AG
Sector not stated · Records not stated
Cyberattack on automotive body division, employee and production data compromised
23 Feb 2024
High23 Feb 2024
ThyssenKrupp
Sector not stated · Records not stated
Cyberattack disrupted automotive steel division
23 Feb 2024
High22 Feb 2024
Facebook Marketplace
Retail · 77,267 records
77,267 records exposed, Email addresses, Geographic locations, Names, Passwords and 2 more
22 Feb 2024
Critical22 Feb 2024
RCMP
Government · Records not stated
Internal network breach, scope classified
22 Feb 2024
Critical21 Feb 2024
UnitedHealth (operations)
Sector not stated · Records not stated
Change Healthcare attack caused nationwide healthcare billing chaos
21 Feb 2024
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