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.

5,621
Disclosures in the tracker, all years
2,126
Of those, indexed in 2026
54
Added in November
26
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 8 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.

78 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 States6 Nov 2026Family Implant and DentistryThe source does not say how they got in.Vermont Attorney General
  2. United States6 Nov 2026Nephrology AssociatesThe source does not say how they got in.Vermont Attorney General
  3. United States6 Nov 2026IronBridge Wealth Counsel, LLCThe source does not say how they got in.Vermont Attorney General
  4. United States6 Nov 2026Insight Credit UnionThe source does not say how they got in.Vermont Attorney General
  5. United States5 Nov 2026Amplifon (USA), Inc.The source does not say how they got in.Vermont Attorney General
  6. United States5 Nov 2026UFP technologies,The source does not say how they got in.Vermont Attorney General
  7. United States5 Nov 2026Queens Public LibraryThe source does not say how they got in.The Record
  8. United States5 Nov 2026Xplicit Audio LLCThe source does not say how they got in.Vermont Attorney General
  9. United States5 Nov 2026Killingly Public Schools (KPS)The source does not say how they got in.Vermont Attorney General
  10. United States4 Nov 2026DreamHostHow they got in: a known flaw in software the victim ran.BleepingComputer
  11. United States4 Nov 2026The Town of LincolnThe source does not say how they got in.Vermont Attorney General
  12. United States4 Nov 2026Vanguard Group, Inc.The source does not say how they got in.Vermont Attorney General
Critical1 Dec 2025
TransUnion
Finance · Records not stated
One of seven largest banking data breaches of 2025
1 Dec 2025
High1 Dec 2025
700Credit
Finance · Records not stated
One of seven largest banking data breaches of 2025
1 Dec 2025
High1 Dec 2025
Prosper Marketplace
Finance · Records not stated
One of seven largest banking data breaches of 2025
1 Dec 2025
High1 Dec 2025
KT Corporation
Technology · Records not stated
Customer data breach resulting in $39 million fine from South Korea's PIPC
1 Dec 2025
Critical1 Dec 2025
Network breach
Healthcare · 1,260,000 records
Network breach exposed sensitive healthcare data affecting 1.26 million people
1 Dec 2025
Critical1 Dec 2025
Mexican Government
Government · Records not stated
Federal government breach exposed millions of records between late Dec 2025 and mid-Feb 2026
1 Dec 2025
High1 Dec 2025
Leroy Merlin France
Retail · Records not stated
Loyalty program data breach exposing customer personal and payment information
1 Dec 2025
High1 Dec 2025
Illuminate Education
Education · Records not stated
Data breach leading to FTC settlement requiring security program implementation
1 Dec 2025
Medium1 Dec 2025
Sax
Sector not stated · Records not stated
Data breach disclosed covering 2024 data
1 Dec 2025
High1 Dec 2025
Post Office Limited
Government · Records not stated
Data breach affecting Horizon IT scandal victims caused by entirely preventable security failure
1 Dec 2025
Critical1 Dec 2025
SK Telecom
Technology · Records not stated
Massive data leak - Korea's consumer agency ordered compensation of $67 per user to affected customers.
1 Dec 2025
Critical1 Dec 2025
Coupang
Retail · 33,700,000 records
Data breach exposed personal information of 33.7 million customers
1 Dec 2025
Critical1 Dec 2025
Marquis
Finance · Records not stated
Ransomware attack stole banking customer data including personal information and financial records
1 Dec 2025
Critical1 Dec 2025
Marquis Software Solutions
Finance · 788,000 records
Unauthorized access to sensitive information of 788,000 customers of banks and credit institutions
1 Dec 2025
High1 Dec 2025
Zilvia.net
Technology · 287,863 records
287,863 records exposed, Email addresses, IP addresses, Passwords, Usernames
1 Dec 2025
Critical27 Nov 2025
China Software Developer Network
Technology · 6,414,990 records
6,414,990 records exposed, Email addresses, Passwords, Usernames
27 Nov 2025
Medium23 Nov 2025
CodeStepByStep
Technology · 103,077 records
103,077 records exposed, Email addresses, Names, Usernames
23 Nov 2025
Critical23 Nov 2025
ADDA
Technology · 1,829,314 records
1,829,314 records exposed, Email addresses, Names, Passwords, Phone numbers
23 Nov 2025
Medium20 Nov 2025
Vultr
Retail · 187,872 records
187,872 records exposed, Email addresses, Geographic locations, IP addresses, Names
20 Nov 2025
Medium20 Nov 2025
International Kiteboarding Organization
Technology · 340,349 records
340,349 records exposed, Email addresses, Geographic locations, Names, Usernames
20 Nov 2025
Medium20 Nov 2025
Eurofiber
Retail · 10,003 records
10,003 records exposed, Email addresses, Names, Phone numbers
20 Nov 2025
High20 Nov 2025
Beckett Collectibles
Technology · 1,041,238 records
1,041,238 records exposed, Email addresses, Names, Phone numbers, Physical addresses and 1 more
20 Nov 2025
Medium8 Nov 2025
TISZA Világ
Technology · 198,520 records
198,520 records exposed, Email addresses, Names, Phone numbers, Physical addresses and 1 more
8 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
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