Monmouth University

Disclosed Jun 30, 2026461,480 affectedConfirmed

What is known

People affected	461,480 (as reported by the organization)
Disclosed	Jun 30, 2026
Discovered	May 29, 2026
Happened	Feb 5, 2026
Attack	Not stated
Data exposed	NamesSocial Security numbersGovernment IDsHealthInsurancePayment cardsFinancialDates of birthAddressesPasswords
Sector	Education · US
Status	Confirmed

Sources

Official noticeoag.ca.gov

California Attorney General breach notice: Monmouth University

Official noticeattorneygeneral.delaware.gov

Notice letter filed with the Delaware DOJ: Monmouth University

Official noticeoag.my.site.com

Texas Attorney General data security breach report BR-0005274: Monmouth University

Official noticeago.vermont.gov

Vermont Attorney General breach report: Monmouth University

Official noticein.gov

Indiana Attorney General 2026 data breach report: Monmouth University

Notices filed

Residents of CAJun 30

California AGCount not stated

Residents of DEJun 30

Delaware DOJ594 people

Residents of VTJun 30

Vermont AG116 people

Residents of INJun 30

Indiana AG81 people

Residents of VTAug 20

Vermont AG299 people

Residents of TXAug 21

Texas AG767 people

Residents of VTOct 26

Vermont AG346 people

Residents of TXOct 28

Texas AG1,105 people

History of this record

records2026-10-29

399600 to 461480by dailySource

data_types2026-10-27

["names","ssn","government-id","health","insurance","payment-card","financial","dob","addresses"] to ["names","ssn","government-id","health","insurance","payment-card","financial","dob","addresses","passwords"]by dailySource

source2026-10-07

empty to https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-October-Year-to-Date-Report-2026.pdfby weeklySource

source2026-09-25

empty to https://ago.vermont.gov/categories/security-breach-noticesby backfillSource

data_types2026-09-25

["names","ssn","government-id","health","insurance"] to ["names","ssn","government-id","health","insurance","payment-card","financial","dob","addresses"]by backfillSource

records2026-09-25

164041 to 399600by backfillSource

data_types2026-09-25

[] to ["names","ssn","government-id","health","insurance"]by backfillSource

records_basis2026-09-25

empty to organizationby backfillSource

records2026-09-25

empty to 164041by backfillSource

discovered2026-09-25

empty to 2026-05-29by 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.

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