Weekly briefing No. 41 published 4 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.

5,292
Disclosures in the tracker, all years
2,005
Of those, indexed in 2026
50
Added in October
9
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 18 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.

64 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. South Korea10 Oct 2026South Korean banksHow they got in: automated AI tools that work through many organizations at once.BleepingComputer
  2. South Korea8 Oct 2026Uranium FinanceHow they got in: a known flaw in software the victim ran.BleepingComputer
  3. South Korea7 Oct 2026Exposed AI server operatorsHow they got in: a system left reachable from the internet.BleepingComputer
  4. South Korea7 Oct 2026SpotifyThe source does not say how they got in.BleepingComputer
  5. South Korea7 Oct 2026GoogleHow they got in: a supplier or vendor that was compromised first.BleepingComputer
  6. South Korea7 Oct 2026Fortinet FortiGate firewall ownersHow they got in: stolen or reused passwords.BleepingComputer
  7. South Korea7 Oct 2026MonsterCloud customersThe source does not say how they got in.BleepingComputer
Critical1 Sep 2026
Thomson Reuters
Legal · Records not stated
Sealed court information and sensitive personal data exposed in records platform breach affecting US and Canadian courts
1 Sep 2026
Critical1 Sep 2026
U.S. Military
Government · Records not stated
Unauthorized access to files containing personal information of U.S. military personnel
1 Sep 2026
Critical1 Sep 2026
AdaptHealth
Healthcare · 4,099,999 records
Personal, health, and insurance information of 4.1 million people stolen from systems
1 Sep 2026
Medium1 Sep 2026
HYBE Weverse
Technology · Records not stated
Data breach at entertainment platform Weverse confirmed
1 Sep 2026
Critical1 Sep 2026
IDScan
Technology · Records not stated
Data breach exposed over 150 million driver's license scans stolen from ID verification service
1 Sep 2026
Critical1 Sep 2026
Gyazo
Technology · 23,620,000 records
Security breach exposed 23.62 million user records and 490 million image metadata records including email addresses
1 Sep 2026
Critical1 Sep 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Data breach with stolen data released by hacker group
1 Sep 2026
Critical1 Sep 2026
Astrana Health
Healthcare · Records not stated
Confidential patient data stolen after social engineering attack on servers
1 Sep 2026
Critical1 Sep 2026
U.S. Military Personnel Database
Government · Records not stated
Unauthorized access to files containing personal information of U.S. military personnel
1 Sep 2026
Critical1 Sep 2026
AdaptHealth
Healthcare · 4,099,999 records
4.1 million people's personal, health, and insurance information stolen
1 Sep 2026
High1 Sep 2026
HYBE Weverse
Technology · Records not stated
Data breach of entertainment platform confirmed
1 Sep 2026
Critical1 Sep 2026
IDScan
Technology · Records not stated
Data breach involved theft of 153 million driver's licenses from ID verification systems
1 Sep 2026
High1 Sep 2026
CenterPoint Energy
Sector not stated · Records not stated
Data breach confirmed after hacker leaked files stolen from utility company systems
1 Sep 2026
Critical1 Sep 2026
Gyazo
Technology · 23,620,000 records
Data breach exposed 23.62 million user records including email addresses and 490 million image metadata records
1 Sep 2026
Critical1 Sep 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Data breach confirmed by hackers as retaliation attack
1 Sep 2026
Critical1 Sep 2026
Aeroméxico
Sector not stated · 15,000,000 records
15 million records exposed in data breach
1 Sep 2026
Critical1 Sep 2026
Astrana Health
Healthcare · Records not stated
Confidential patient data stolen via social engineering and ransomware attack
1 Sep 2026
High1 Sep 2026
Revolut
Finance · Records not stated
Customer data stolen via social engineering attack on DriveWealth
1 Sep 2026
Critical1 Sep 2026
Thomson Reuters
Legal · Records not stated
C-Track court management software breach exposed U.S. and Canadian court records
1 Sep 2026
Critical1 Sep 2026
Breach
Healthcare · 727,000 records
Breach exposed 727,000 patient and contact records; resulted in €500,000 CNIL fine.
1 Sep 2026
Critical1 Sep 2026
Carhartt
Retail · Records not stated
Shiny Hunters stole data, demanded $3.3 million ransom
1 Sep 2026
Critical1 Sep 2026
Organisation not named
Government · 38,000 records
The disclosure as indexed does not name the organisation.
Shiny Hunters claims breach exposing data on approximately 38,000 people and bureau employees
1 Sep 2026
High1 Sep 2026
CenterPoint
Sector not stated · Records not stated
Data breach affected customer information
1 Sep 2026
Critical1 Sep 2026
Veradigm
Healthcare · 3,500,000 records
Third-party breach exposed 3.5M patient records stolen by The Gentlemen ransomware gang
1 Sep 2026
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