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.

High14 May 2020
Northern Light Health (Blackbaud)
Healthcare · 657,000 records
657K patient and donor records exposed
14 May 2020
Critical14 May 2020
Inova Health System
Healthcare · 1,040,000 records
1.04M patient records exposed in Blackbaud breach
14 May 2020
Critical14 May 2020
Blackbaud
Healthcare · Records not stated
12M+ donor and patient records exposed across hundreds of healthcare orgs
14 May 2020
High14 May 2020
Penn State University (Blackbaud)
Education · 590,000 records
590K records exposed
14 May 2020
High14 May 2020
Michigan State University (Blackbaud)
Education · 450,000 records
450K records exposed
14 May 2020
High14 May 2020
University of Alabama (Blackbaud)
Education · 360,000 records
360K records exposed
14 May 2020
High14 May 2020
Oregon State University (Blackbaud)
Education · 240,000 records
240K records exposed
14 May 2020
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
Were you affected?