Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Mater Dei High School

Disclosed Aug 30, 2021667 affectedConfirmed

Official notice

What is known

People affected667 (as reported by the organization)
DisclosedAug 30, 2021
HappenedJan 1, 2021
AttackNot stated
Data exposedNot stated
SectorEducation · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Mater Dei High School
Official noticein.gov
Indiana Attorney General 2021 data breach report: Mater Dei High School

Notices filed

Residents of CAAug 30, 2021
California AGCount not stated
Residents of INAug 30, 2021
Indiana AG4 people
History of this record
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 667by 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 Mater Dei High School