Mt. Diablo Unified School District

Disclosed Dec 12, 201213 years agoConfirmed

Official notice

What is known

People affected	Not stated in the sources we have
Disclosed	Dec 12, 2012
Happened	Dec 1, 2012
Attack	Not stated
Data exposed	Not stated
Sector	Education · US
Status	Confirmed

Sources

Source	Kind
California Attorney General breach notice: MT. DIABLO UNIFIED SCHOOL DISTRICToag.ca.gov · Official notice	Official notice

Notices filed

Where	Filed	People
California AGresidents of CA	Dec 12, 2012

Other breaches at Mt. Diablo Unified School District

Breach	Disclosed	Attack	Sector	Status	Affected
Disclosed Jun 11, 2020Jun 11, 20206 years ago	Jun 11, 20206 years ago	Not stated	Education	Confirmed	Unknown
Disclosed Sep 7, 2018Sep 7, 20188 years ago	Sep 7, 20188 years ago	Not stated	Education	Confirmed	Unknown
Disclosed May 19, 2017May 19, 20179 years ago	May 19, 20179 years ago	Not stated	Education	Confirmed	Unknown

History of this record

2026-09-25 · added · backfill source

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

Everything about Mt. Diablo Unified School District

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