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.
5,369
Disclosures in the tracker, all years
2,083
Of those, indexed in 2026
146
Added in October
23
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 30 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,955 results · Education disclosures. Clear filters
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
High16 Sep 2026
University of Western Australia
Education · Records not stated
Accidental data leak of student records; second breach in six months
16 Sep 2026
Critical16 Sep 2026
UC Berkeley Canvas
Education · 600,000 records
Cybercrime group claimed 600K records stolen from learning management platform bCourses
16 Sep 2026
Critical15 Sep 2026
Columbia University
Education · 860,000 records
Data breach impacted 860,000 individuals
15 Sep 2026
High15 Sep 2026
Kaplan
Education · Records not stated
Education company reported data breach impacting student and staff records
15 Sep 2026
Critical14 Sep 2026
Columbia University
Education · 860,000 records
Data breach impacted 860,000 individuals with personal information exposed
14 Sep 2026
High14 Sep 2026
Pierce County Library
Education · 340,000 records
Data breach exposed personal information of 340,000 individuals
14 Sep 2026
High14 Sep 2026
Kaplan
Education · Records not stated
Education company reports data breach impacting customers
14 Sep 2026
Critical1 Sep 2026
ETS (California testing vendor)
Education · Records not stated
Breach discovered Sept. 25, 2026 exposed California student records, reportedly affecting about 7 million students.
1 Sep 2026
Critical1 Sep 2026
Educational Testing Service (ETS)
Education · Records not stated
Attacker used a compromised login credential to breach ETS; names, birthdates and other data of millions of California public school students were stolen and CDE warned students.
1 Sep 2026
High1 Sep 2026
Springfield Public Schools
Education · Records not stated
Cyberattack breached student and staff data including social security information
1 Sep 2026
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