Weekly briefing No. 41 published 4 Oct 2026
Disclosure tracker › Education disclosures
Intelligence · Disclosure tracker

Education disclosures

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.

5,278
Disclosures in the tracker, all years
1,992
Of those, indexed in 2026
41
Added in October
9
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 16 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

3,310 results · Education disclosures. Clear filters

Medium3 Oct 2026
Danish university DTU breach
Education · 200,000 records
The Technical University of Denmark (DTU) says information belonging to up to 200,000 users may have been exposed after hackers accessed its identity and access management system and downloaded a large amount of data. [.
3 Oct 2026
Medium2 Oct 2026
Frontline Education breach
Education · Records not stated
Frontline Education is notifying school districts of a data breach after attackers exploited a vulnerability in third-party software to gain unauthorized access to its systems and steal employee information, including…
2 Oct 2026
Medium1 Oct 2026
University of Illinois Chicago
Education · Records not stated
Ransomware attack on College of Medicine resulted in theft of some information
1 Oct 2026
High1 Oct 2026
Canadian Mennonite University (CMU)
Education · Records not stated
Sensitive personal information including SINs and tax records stolen from thousands of current and former students and employees
1 Oct 2026
High1 Oct 2026
University of Illinois Chicago
Education · Records not stated
Ransomware attack on College of Medicine resulted in theft of medical information
1 Oct 2026
High25 Sep 2026
Columbia University
Education · 860,000 records
860,000 records exposed in data breach
25 Sep 2026
High25 Sep 2026
Kaplan
Education · Records not stated
Education company data breach impacting customers
25 Sep 2026
High23 Sep 2026
Pierce County Library
Education · 340,000 records
Data breach impacting 340,000 individuals
23 Sep 2026
High23 Sep 2026
Kaplan
Education · Records not stated
Education company data breach impacting multiple individuals
23 Sep 2026
High23 Sep 2026
Columbia University
Education · Records not stated
Hacker stole SSNs and other data from university
23 Sep 2026
Critical22 Sep 2026
Columbia University
Education · 860,000 records
Hacker stole SSNs and personal data of 860,000 individuals
22 Sep 2026
High22 Sep 2026
Kaplan
Education · Records not stated
Education company reports data breach impacting multiple users
22 Sep 2026
Critical22 Sep 2026
Instructure (Canvas platform)
Education · Records not stated
Supply chain breach generated 58% of all breach notices in 2026; affected education sector
22 Sep 2026
High21 Sep 2026
Monroe University
Education · 320,000 records
320K+ records exposed in hacker attack
21 Sep 2026
Critical21 Sep 2026
Columbia University
Education · 860,000 records
Data breach impacts 860,000 individuals
21 Sep 2026
High21 Sep 2026
Harvard
Education · Records not stated
Data breach impacting limited number of parties
21 Sep 2026
High21 Sep 2026
Kaplan
Education · Records not stated
Education company data breach impacting multiple people
21 Sep 2026
High18 Sep 2026
PowerSchool
Education · Records not stated
Breach of educational platform exposing student and school data
18 Sep 2026
Critical18 Sep 2026
Columbia University
Education · 860,000 records
860,000 individuals impacted by data breach
18 Sep 2026
Critical17 Sep 2026
Columbia University
Education · 860,000 records
Data breach impacting 860,000 individuals
17 Sep 2026
High17 Sep 2026
Kaplan
Education · Records not stated
Data breach impacting multiple individuals
17 Sep 2026
High17 Sep 2026
Dartmouth College
Education · Records not stated
Data breach following Clop extortion attack
17 Sep 2026
High16 Sep 2026
Kaplan
Education · Records not stated
Education company reported data breach impacting users
16 Sep 2026
High16 Sep 2026
Dartmouth College
Education · Records not stated
Data breach after Clop extortion attack
16 Sep 2026
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