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.

5,323
Disclosures in the tracker, all years
2,037
Of those, indexed in 2026
85
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
High14 May 2020
University of Wisconsin (Blackbaud)
Education · 520,000 records
520K records exposed
14 May 2020
High14 May 2020
Tulane University (Blackbaud)
Education · 270,000 records
270K records exposed
14 May 2020
High14 May 2020
George Washington University (Blackbaud)
Education · 380,000 records
380K records exposed
14 May 2020
High14 May 2020
440K records exposed
Education · 440,000 records
440K records exposed
14 May 2020
High14 May 2020
Creighton University (Blackbaud)
Education · Records not stated
110K donor records exposed
14 May 2020
High14 May 2020
Loyola University Chicago (Blackbaud)
Education · 160,000 records
160K records exposed
14 May 2020
High14 May 2020
University of Georgia (Blackbaud)
Education · Records not stated
490K donor records exposed
14 May 2020
High14 May 2020
Arizona State University (Blackbaud)
Education · Records not stated
580K donor records exposed
14 May 2020
High14 May 2020
University of Tennessee (Blackbaud)
Education · Records not stated
360K donor records exposed
14 May 2020
High14 May 2020
University of Denver (Blackbaud)
Education · 210,000 records
210K records exposed
14 May 2020
High14 May 2020
TCU (Blackbaud)
Education · Records not stated
145K donor records exposed
14 May 2020
High14 May 2020
Rice University (Blackbaud)
Education · Records not stated
170K donor records exposed
14 May 2020
High14 May 2020
Brown University (Blackbaud)
Education · Records not stated
290K donor records exposed
14 May 2020
High14 May 2020
Lehigh University (Blackbaud)
Education · Records not stated
130K donor records exposed
14 May 2020
High14 May 2020
Syracuse University (Blackbaud)
Education · Records not stated
220K donor records exposed
14 May 2020
High14 May 2020
Purdue University (Blackbaud)
Education · 390,000 records
390K records exposed
14 May 2020
High14 May 2020
University of Florida (Blackbaud)
Education · Records not stated
480K donor records exposed
14 May 2020
High14 May 2020
University of Iowa (Blackbaud)
Education · Records not stated
340K donor records exposed
14 May 2020
High14 May 2020
Vanderbilt University (Blackbaud)
Education · 280,000 records
280K records exposed
14 May 2020
High14 May 2020
Northwestern University (Blackbaud)
Education · 530,000 records
530K records exposed
14 May 2020
High14 May 2020
Duke University (Blackbaud)
Education · Records not stated
620K donor and alumni records exposed
14 May 2020
High14 May 2020
Emory University (Blackbaud)
Education · Records not stated
410K donor records exposed
14 May 2020
High14 May 2020
Georgetown University (Blackbaud)
Education · 350,000 records
350K records exposed
14 May 2020
High14 May 2020
Notre Dame University (Blackbaud)
Education · Records not stated
470K donor records exposed
14 May 2020
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