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.

5,314
Disclosures in the tracker, all years
2,028
Of those, indexed in 2026
76
Added in October
21
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 21 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.

72 incidents from 9 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 States21 Oct 2026Critical infrastructure organizations worldwideHow they got in: stolen or reused passwords.BleepingComputer
  2. United States20 Oct 2026Conduent Business Services, LLCThe source does not say how they got in.HIPAA Journal
  3. United States20 Oct 2026Central Ohio Primary Care PhysiciansHow they got in: stolen or reused passwords.HIPAA Journal
  4. United States20 Oct 2026Educational Testing ServiceThe source does not say how they got in.The Record
  5. United States20 Oct 2026Chevy Chase ClubThe source does not say how they got in.Vermont Attorney General
  6. United States20 Oct 2026Paradigm Healthcare ServicesThe source does not say how they got in.SecurityWeek
  7. United States19 Oct 2026Computer Task Group, IncorporatedThe source does not say how they got in.Vermont Attorney General
  8. United States19 Oct 2026Citizens BankThe source does not say how they got in.California Attorney General
  9. United States19 Oct 2026STS Aviation GroupThe source does not say how they got in.California Attorney General
  10. United States18 Oct 2026Stitch Connect IncThe source does not say how they got in.California Attorney General
  11. United States17 Oct 2026Catawba CountyThe source does not say how they got in.Vermont Attorney General
  12. United States16 Oct 2026Johnson Investment CounselThe source does not say how they got in.Vermont Attorney General
High1 Aug 2026
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Steam shipping partner CEVA Logistics breach exposed names, addresses, and order data of European hardware customers
1 Aug 2026
High1 Aug 2026
Sensitive data
Government · Records not stated
Sensitive data leak due to woeful security, unpatched CMS and unread alerts
1 Aug 2026
Critical1 Aug 2026
LiteLLM
Technology · Records not stated
AI supply chain attack exposed 2,500+ companies and 434,000 CI/CD pipelines
1 Aug 2026
High1 Aug 2026
HCL Technologies
Technology · Records not stated
Hacker group claimed access to employee data; company disputes claim and states data may be years-old
1 Aug 2026
High1 Aug 2026
CareCloud Inc.
Healthcare · 345,000 records
Cyberattack exposed data on 345,000 patients including protected health information
1 Aug 2026
High1 Aug 2026
Metropolitan Police Service
Government · Records not stated
Data protection failures including unredacted documents sent to stalkers and bulk email breaches
1 Aug 2026
High1 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Coordinated cyberattacks on 30+ renewable energy installations and heat plants; second incident hidden for months
1 Aug 2026
High1 Aug 2026
CareCloud
Healthcare · 345,000 records
Cyberattack and data theft notified more than 345,000 patients of exposure
1 Aug 2026
Critical1 Aug 2026
IEH Corporation
Government · Records not stated
Military device manufacturer disclosed cyber incident affecting products for satellites, missiles, and jets
1 Aug 2026
Critical1 Aug 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing company; 1.26 million patients exposed in PEAR ransomware attack
1 Aug 2026
High1 Aug 2026
Ransomware attack with data deletion
Finance · Records not stated
Ransomware attack with data deletion confirmation from hacker gang
1 Aug 2026
High1 Aug 2026
New Jersey Law Firm
Legal · 13,000 records
Cyberattack exposed hospital records of nearly 13,000 patients to hackers
1 Aug 2026
Critical1 Aug 2026
Ceva Logistics
Sector not stated · Records not stated
Data breach exposed personal data from multiple companies relying on Ceva for shipping, affecting banks, retailers, and Steam gamers
1 Aug 2026
High1 Aug 2026
Klaviyo
Technology · Records not stated
Marketing tech platform inadvertently shared sign-up information including passwords to dozens of advertisers
1 Aug 2026
Critical1 Aug 2026
Thailand Digital Ministry
Government · Records not stated
221 million exposed login records from state systems
1 Aug 2026
Critical1 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
UK police, government and customer contact details compromised and exposed on dark web
1 Aug 2026
Critical1 Aug 2026
MCBS Medical Billing
Healthcare · 1,260,000 records
1.26 million patients exposed in PEAR ransomware attack on billing and practice-management company
1 Aug 2026
High1 Aug 2026
Law firm (New Jersey)
Legal · 13,000 records
Cyberattack exposing hospital records and personal information on nearly 13,000 patients
1 Aug 2026
High1 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
135,000 contact records of police and government exposed on dark web by ExfilSquad
1 Aug 2026
High1 Aug 2026
Organisation not named
Finance · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack; hackers deleted stolen data after extortion demands
1 Aug 2026
High1 Aug 2026
Data breach
Healthcare · Records not stated
Data breach exposed SSNs and medical records
1 Aug 2026
High1 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
135,000 contact records including police and government details leaked on dark web
1 Aug 2026
High1 Aug 2026
T-Mobile
Technology · Records not stated
Data breach exposed customer information; company violated WA notification law using text messages
1 Aug 2026
High1 Aug 2026
PNLD
Government · Records not stated
Police National Legal Database exposed U.K. police and government contact details on dark web
1 Aug 2026
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