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
Critical8 May 2020
Organisation not named
Legal · Records not stated
The disclosure as indexed does not name the organisation.
REvil ransomware stole 756GB of celebrity and corporate client data
8 May 2020
Critical8 May 2020
Organisation not named
Legal · Records not stated
The disclosure as indexed does not name the organisation.
REvil ransomware stole 756GB of celebrity and corporate client data
8 May 2020
Critical8 May 2020
Organisation not named
Legal · Records not stated
The disclosure as indexed does not name the organisation.
REvil ransomware stole 756GB of celebrity and corporate client data
8 May 2020
Critical8 May 2020
Organisation not named
Legal · Records not stated
The disclosure as indexed does not name the organisation.
REvil ransomware stole 756GB of celebrity and corporate client data
8 May 2020
Critical8 May 2020
Organisation not named
Legal · Records not stated
The disclosure as indexed does not name the organisation.
REvil ransomware stole 756GB of celebrity and corporate client data
8 May 2020
Critical8 May 2020
Organisation not named
Legal · Records not stated
The disclosure as indexed does not name the organisation.
REvil ransomware stole 756GB of celebrity and corporate client data
8 May 2020
Critical8 May 2020
Organisation not named
Legal · Records not stated
The disclosure as indexed does not name the organisation.
REvil ransomware stole 756GB of celebrity and corporate client data
8 May 2020
Critical8 May 2020
Organisation not named
Legal · Records not stated
The disclosure as indexed does not name the organisation.
REvil ransomware stole 756GB of celebrity and corporate client data
8 May 2020
Critical8 May 2020
Organisation not named
Legal · Records not stated
The disclosure as indexed does not name the organisation.
REvil ransomware stole 756GB of celebrity and corporate client data
8 May 2020
Critical8 May 2020
Organisation not named
Legal · Records not stated
The disclosure as indexed does not name the organisation.
REvil ransomware stole 756GB of celebrity and corporate client data
8 May 2020
Critical8 May 2020
Organisation not named
Legal · Records not stated
The disclosure as indexed does not name the organisation.
REvil ransomware stole 756GB of celebrity and corporate client data
8 May 2020
Critical8 May 2020
Organisation not named
Legal · Records not stated
The disclosure as indexed does not name the organisation.
REvil ransomware stole 756GB of celebrity and corporate client data
8 May 2020
High8 May 2020
Ulmon
Retail · 777,769 records
777,769 records exposed, Bios, Email addresses, Names, Passwords and 2 more
8 May 2020
Critical8 May 2020
Organisation not named
Legal · Records not stated
The disclosure as indexed does not name the organisation.
REvil ransomware stole 756GB of celebrity and corporate client data
8 May 2020
High7 May 2020
Unacademy (India)
Education · 22,000,000 records
22M user records stolen from Indian edtech unicorn, emails, passwords, usernames
7 May 2020
Critical7 May 2020
Medical Informatics Engineering
Healthcare · 3,900,000 records
3.9M patient records exposed
7 May 2020
Critical5 May 2020
CAM4 (adult site)
Technology · 10,880,000,000 records
10.88B records exposed in Elasticsearch misconfiguration
5 May 2020
High4 May 2020
Elanic
Retail · 2,325,283 records
2,325,283 records exposed, Email addresses, Geographic locations, Usernames
4 May 2020
Critical4 May 2020
Door Dash (2020)
Retail · 4,900,000 records
4.9M user records exposed in third-party vendor breach
4 May 2020
Critical3 May 2020
TaiLieu
Education · 7,327,477 records
7,327,477 records exposed, Dates of birth, Email addresses, Genders, Geographic locations and 4 more
3 May 2020
Critical3 May 2020
Unacademy
Technology · 22,000,000 records
22M user records exposed
3 May 2020
Critical2 May 2020
Tokopedia
Retail · 71,443,698 records
71,443,698 records exposed, Dates of birth, Email addresses, Genders, Names and 1 more
2 May 2020
Critical2 May 2020
Tokopedia (Indonesia)
Retail · 91,000,000 records
91M user records stolen from Indonesia's largest e-commerce platform
2 May 2020
Critical2 May 2020
Tokopedia
Technology · 91,000,000 records
91M user records exposed
2 May 2020
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