Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

National Student Clearinghouse

Disclosed Jun 29, 2023Confirmed

Official notice

MOVEit breach at student records nonprofit affects 890 schools

The National Student Clearinghouse said attackers accessed its MOVEit server on May 30, 2023 and stole files with student names, birth dates, Social Security numbers, student IDs and enrollment and degree records; 890 schools were affected and a Maine filing listed over 51,500 people.

What is known

People affectedNot stated in the sources we have
DisclosedJun 29, 2023
DiscoveredJun 20, 2023
HappenedMay 30, 2023
AttackSupply chain
Data exposedNamesDates of birthAddressesSocial Security numbersEducation records
SectorEducation · US
StatusConfirmed
Part ofMoveit (2023)

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: National Student Clearinghouse
Official noticeatg.wa.gov
Washington Attorney General breach notice: National Student Clearinghouse
Official noticeattorneygeneral.delaware.gov
Notice letter filed with the Delaware DOJ: National Student Clearinghouse
Official noticejustice.oregon.gov
Oregon DOJ breach notice: National Student Clearinghouse
Regulatoroag.ca.gov
California AG breach notice: National Student Clearinghouse
Newsbleepingcomputer.com
National Student Clearinghouse data breach impacts 890 schools

Notices filed

TotalJun 29, 2023
ResearchCount not stated
Residents of DEAug 30, 2023
Delaware DOJ637 people
Residents of CASep 21, 2023
California AGCount not stated
Residents of WASep 21, 2023
Washington AG5,207 people
Residents of ORSep 21, 2023
Oregon DOJ227,553 people
Residents of CADec 12, 2023
California AGCount not stated

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History of this record
campaign2026-09-25
empty to moveit-2023by seedSource
attack2026-09-25
hacking to supply-chainby seedSource
data_types2026-09-25
["names"] to ["names","dob","addresses","ssn","education"]by seedSource
disclosed2026-09-25
2023-08-30 to 2023-06-29by seedSource
summary2026-09-25
empty to The National Student Clearinghouse said attackers accessed its MOVEit server on May 30, 2023 and stole files with student names, birth dates, Social Security numbers, student IDs and enrollment and degree records; 890 schools were affected by seedSource
title2026-09-25
empty to MOVEit breach at student records nonprofit affects 890 schoolsby seedSource
data_types2026-09-25
[] to ["names"]by backfillSource
disclosed2026-09-25
2023-09-21 to 2023-08-30by backfillSource
attack2026-09-25
unknown to hackingby backfillSource
discovered2026-09-25
empty to 2023-06-20by backfillSource
disclosed2026-09-25
2023-12-12 to 2023-09-21by backfillSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

Everything about National Student Clearinghouse