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.

5,574
Disclosures in the tracker, all years
2,089
Of those, indexed in 2026
8
Added in November
22
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 3 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 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 States30 Oct 2026The Krum Public LibraryThe source does not say how they got in.Vermont Attorney General
  2. United States30 Oct 2026Marathon HealthThe source does not say how they got in.Vermont Attorney General
  3. United States29 Oct 2026BRANDco., LLCThe source does not say how they got in.Vermont Attorney General
  4. United States29 Oct 2026Revolve Group, Inc.The source does not say how they got in.Vermont Attorney General
  5. United States29 Oct 2026The Research Foundation for Mental Health, Inc.The source does not say how they got in.Vermont Attorney General
  6. United States29 Oct 2026Del Monte Foods Corporation II Inc.The source does not say how they got in.California Attorney General
  7. United States29 Oct 2026Bangkok Bank PCL - New York BranchThe source does not say how they got in.California Attorney General
  8. United States29 Oct 2026IRhythm TechnologiesThe source does not say how they got in.SecurityWeek
  9. United States28 Oct 2026Blueberry PediatricsHow they got in: a known flaw in software the victim ran.HIPAA Journal
  10. United States28 Oct 2026CodeSecure Inc.The source does not say how they got in.Vermont Attorney General
  11. United States28 Oct 202611252227 Canada Inc.The source does not say how they got in.Vermont Attorney General
  12. United States28 Oct 2026Troutman Pepper Locke LLPThe source does not say how they got in.California Attorney General
High1 Aug 2026
Estée Lauder
Retail · Records not stated
Employee PII including SSNs and payroll data exposed
1 Aug 2026
Critical1 Aug 2026
Abbott Cancer Diagnostics
Healthcare · 30,000,000 records
30M rows stolen including 1M SSNs
1 Aug 2026
High1 Aug 2026
Synnovis NHS Trust
Healthcare · 900,000 records
Ransomware attack stole thousands of patient records from Essex NHS trust
1 Aug 2026
High1 Aug 2026
Sandhills Medical Foundation
Healthcare · 170,000 records
Ransomware breach affected approximately 170,000 individuals in South Carolina
1 Aug 2026
Critical1 Aug 2026
Conduent
Government · 25,000,000 records
Ransomware attack on government contractor exposed data of at least 25 million people
1 Aug 2026
Critical1 Aug 2026
ANTS (French ID agency)
Government · 19,000,000 records
Cyberattack exposed 19 million records including personal data linked to identity documents
1 Aug 2026
Critical1 Aug 2026
KDDI Corporation
Technology · 12,000,000 records
12M email accounts and passwords exposed
1 Aug 2026
Critical1 Aug 2026
HSIN intel platform
Government · Records not stated
HSIN intel platform breached for weeks
1 Aug 2026
Critical1 Aug 2026
Meta
Technology · Records not stated
2019 breach exposed hundreds of millions of Facebook passwords, company fined $101.5M
1 Aug 2026
Medium1 Aug 2026
FirstClass
Sector not stated · Records not stated
Australian travel agency customer records compromised in alleged data breach
1 Aug 2026
Critical1 Aug 2026
Organisation not named
Healthcare · 1,200,000 records
The disclosure as indexed does not name the organisation.
2025 ransomware attack exposed personal data of 1.2 million individuals
1 Aug 2026
Critical1 Aug 2026
Marquis
Finance · 672,000 records
Ransomware attack stealing 672K records including names, addresses, card numbers from fintech firm
1 Aug 2026
High1 Aug 2026
Law firm (New Jersey)
Healthcare · Records not stated
13K hospital patient records exposed in cyberattack
1 Aug 2026
High1 Aug 2026
Essex NHS Trust
Healthcare · 900,000 records
Thousands of patient records stolen in cyber attack, disclosed 6+ months after notification
1 Aug 2026
Critical1 Aug 2026
Otelier
Retail · Records not stated
Data on 500,000+ hotel guests exposed including customers from Marriott, Hilton, Hyatt brands
1 Aug 2026
High1 Aug 2026
New Jersey Law Firm
Legal · 13,000 records
Cyberattack exposed hospital records for nearly 13,000 patients in New Jersey
1 Aug 2026
High1 Aug 2026
SplitVPN
Finance · 865,336 records
865,336 records exposed, Device information, Email addresses, Geographic locations, IP addresses and 1 more
1 Aug 2026
High1 Aug 2026
South Korea Diplomatic Academy
Government · Records not stated
6000 diplomat and MFA employee records stolen
1 Aug 2026
Critical1 Aug 2026
Origin Energy Australia
Sector not stated · 900,000 records
900K customer records accessed by hacker
1 Aug 2026
Critical1 Aug 2026
Suno AI Music Platform
Technology · 55,300,000 records
55.3M accounts exposed with payment data
1 Aug 2026
Critical1 Aug 2026
KDDI
Technology · 12,000,000 records
12M email accounts and 7.6M passwords exposed
1 Aug 2026
Critical1 Aug 2026
US DHS Info Network
Government · Records not stated
Federal security network breached pre-FIFA World Cup
1 Aug 2026
Critical1 Aug 2026
Ernst Young
Finance · Records not stated
SSNs and tax records stolen from helpdesk platform
1 Aug 2026
Critical1 Aug 2026
Abbott Exact Sciences
Healthcare · 30,000,000 records
30M patient records stolen via vishing attack
1 Aug 2026
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