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.

5,318
Disclosures in the tracker, all years
2,033
Of those, indexed in 2026
86
Added in October
20
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 22 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 States21 Oct 2026Michael J. Berger and Co., CPA LLPThe source does not say how they got in.Vermont Attorney General
  3. United States20 Oct 2026CSXThe source does not say how they got in.Vermont Attorney General
  4. United States20 Oct 2026Networking Technology, Inc.The source does not say how they got in.Vermont Attorney General
  5. United States20 Oct 2026Conduent Business Services, LLCThe source does not say how they got in.HIPAA Journal
  6. United States20 Oct 2026Central Ohio Primary Care PhysiciansHow they got in: stolen or reused passwords.HIPAA Journal
  7. United States20 Oct 2026Educational Testing ServiceThe source does not say how they got in.The Record
  8. United States20 Oct 2026Chevy Chase ClubThe source does not say how they got in.Vermont Attorney General
  9. United States20 Oct 2026Paradigm Healthcare ServicesThe source does not say how they got in.SecurityWeek
  10. United States19 Oct 2026Computer Task Group, IncorporatedThe source does not say how they got in.Vermont Attorney General
  11. United States19 Oct 2026Citizens BankThe source does not say how they got in.California Attorney General
  12. United States19 Oct 2026STS Aviation GroupThe source does not say how they got in.California Attorney General
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
High12 Jul 2020
The RealReal
Retail · 300,000 records
300K customer records exposed in data breach
12 Jul 2020
Critical12 Jul 2020
Maropost / Nuvei
Technology · 95,000,000 records
95M email marketing records exposed
12 Jul 2020
Medium10 Jul 2020
Condusef (Mexican Financial Authority)
Government · Records not stated
Hacktivist breach exposed Mexican financial consumer protection agency data
10 Jul 2020
High9 Jul 2020
Aveanna Healthcare
Healthcare · 166,000 records
166K patient records exposed in phishing
9 Jul 2020
Medium8 Jul 2020
33K case worker records exposed
Government · Records not stated
33K case worker records exposed
8 Jul 2020
Medium8 Jul 2020
33K case worker records exposed
Government · Records not stated
33K case worker records exposed
8 Jul 2020
Medium8 Jul 2020
33K case worker records exposed
Government · Records not stated
33K case worker records exposed
8 Jul 2020
Medium8 Jul 2020
33K case worker records exposed
Government · Records not stated
33K case worker records exposed
8 Jul 2020
Medium8 Jul 2020
33K case worker records exposed
Government · Records not stated
33K case worker records exposed
8 Jul 2020
Medium8 Jul 2020
33K case worker records exposed
Government · Records not stated
33K case worker records exposed
8 Jul 2020
Medium8 Jul 2020
33K case worker records exposed
Government · Records not stated
33K case worker records exposed
8 Jul 2020
Medium8 Jul 2020
33K case worker records exposed
Government · Records not stated
33K case worker records exposed
8 Jul 2020
Were you affected?