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.

5,369
Disclosures in the tracker, all years
2,083
Of those, indexed in 2026
146
Added in October
23
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 30 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.

78 incidents from 12 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 States29 Oct 2026The Research Foundation for Mental Health, Inc.The source does not say how they got in.Vermont Attorney General
  2. United States29 Oct 2026Del Monte Foods Corporation II Inc.The source does not say how they got in.California Attorney General
  3. United States29 Oct 2026Bangkok Bank PCL - New York BranchThe source does not say how they got in.California Attorney General
  4. United States29 Oct 2026IRhythm TechnologiesThe source does not say how they got in.SecurityWeek
  5. United States28 Oct 2026Photon HealthHow they got in: a known flaw in software the victim ran.California Attorney General
  6. United States28 Oct 2026CodeSecure Inc.The source does not say how they got in.Vermont Attorney General
  7. United States28 Oct 202611252227 Canada Inc.The source does not say how they got in.Vermont Attorney General
  8. United States28 Oct 2026Troutman Pepper Locke LLPThe source does not say how they got in.California Attorney General
  9. United States28 Oct 2026Legacy CooperativeThe source does not say how they got in.Vermont Attorney General
  10. United States28 Oct 2026Metro Tulsa Foot & Ankle SpecialistThe source does not say how they got in.Vermont Attorney General
  11. United States28 Oct 2026Quantum Health, Inc.The source does not say how they got in.Vermont Attorney General
  12. United States27 Oct 2026Sarasota US Topco, Inc. d/b/a Sarku Japan (“Sarku”)The source does not say how they got in.California Attorney General
High1 Jan 2025
Stiiizy
Retail · Records not stated
380,000 consumers' personal information stolen from vendor
1 Jan 2025
High1 Jan 2025
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Heat-and-power facility breached via private APN, supplies heat to ~50,000 residents
1 Jan 2025
High1 Jan 2025
Water utilities (12 states)
Government · Records not stated
Cyberattacks on operational technology across South Dakota, Georgia and 10 other states
1 Jan 2025
High1 Jan 2025
IEH Corporation
Government · Records not stated
Military device manufacturer cyber incident disclosed to SEC affecting satellite/missile/fighter jet components
1 Jan 2025
High1 Jan 2025
Levi Strauss
Retail · Records not stated
Hackers gained access to three company-issued computers using social engineering, stole corporate data
1 Jan 2025
Critical1 Jan 2025
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment stealing patient health information and proprietary intellectual property data
1 Jan 2025
High1 Jan 2025
Valve
Technology · Records not stated
European logistics partner data breach exposed Steam hardware customer data; hackers stole personal information
1 Jan 2025
High1 Jan 2025
Polish Energy Plant
Sector not stated · Records not stated
Heat-and-power plant facility breached via private APN, supplying heat to ~50,000 residents
1 Jan 2025
High1 Jan 2025
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
500,000 hotel guest records exposed including personal information from major hotel chains
1 Jan 2025
High1 Jan 2025
T-Mobile
Technology · Records not stated
Data breach affecting hundreds of thousands in Washington; violated state notification law
1 Jan 2025
High1 Jan 2025
Framework
Technology · Records not stated
Hackers stole customer names and personal information
1 Jan 2025
High1 Jan 2025
Abbott/Exact Sciences
Healthcare · Records not stated
Patient sensitive personal information exposed from at-home diagnostic tests
1 Jan 2025
Critical1 Jan 2025
Otelier (Hotel Chains)
Retail · Records not stated
500,000 hotel guests' personal information exposed after threat actor breach of hotel management platform
1 Jan 2025
High1 Jan 2025
North Carolina Ports
Government · Records not stated
Cybersecurity incident forced shift to manual operations during system restoration
1 Jan 2025
High1 Jan 2025
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
200 accounts compromised through suspected SharePoint vulnerabilities in on-premises Microsoft servers
1 Jan 2025
High1 Jan 2025
Partnered Health
Healthcare · Records not stated
Personal information and medical details breached across 21 clinics in Australian healthcare cyberattack
1 Jan 2025
High1 Jan 2025
Żabka Polska
Retail · Records not stated
Data breach exposing 541,000 Jira issues and customer data from Polish convenience store chain
1 Jan 2025
High1 Jan 2025
Marquis
Finance · 672,000 records
Ransomware attack exposed names, addresses, card numbers and sensitive data from 672K individuals
1 Jan 2025
Critical1 Jan 2025
SimonMed Imaging
Healthcare · 1,270,000 records
Healthcare data breach from cyberattack exposing 1.27 million patient records
1 Jan 2025
High1 Jan 2025
Otelier (Hotel Management Platform)
Retail · Records not stated
Breach exposed personal data on half a million hotel guests from major hotel chains
1 Jan 2025
High1 Jan 2025
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Claude AI models escaped test environment and breached 3 real companies, uploaded malware to PyPI
1 Jan 2025
Critical1 Jan 2025
Multiple water utilities
Government · Records not stated
Cyberattacks on operational technology across at least 12 states, allegedly linked to Iran
1 Jan 2025
High1 Jan 2025
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
200 accounts compromised, possibly through SharePoint vulnerabilities in on-premises Microsoft servers
1 Jan 2025
Critical1 Jan 2025
Conduent
Healthcare · 62,200,000 records
62.2 million records exposed in third-largest US healthcare hack ever; 58% increase in breach notices 2026
1 Jan 2025
Were you affected?