LatestStatesCompaniesPricingAPIData Start free trial

Latest / California / December 2012

MT. DIABLO UNIFIED SCHOOL DISTRICT

MT. DIABLO UNIFIED SCHOOL DISTRICT notified California AG on Dec 12, 2012 of a data breach, which occurred on Dec 1, 2012. Data exposed: Social Security number, Usernames / passwords, Postal address, Name.

Organization
MT. DIABLO UNIFIED SCHOOL DISTRICT
Source
California AG · source record
Date reported
Dec 12, 2012
Date(s) of breach
Saturday, December 1, 2012
Residents affected
Not published by this source
Data exposed
Social Security number Usernames / passwords Postal address Name
Notice letter
Sample notice (PDF)
First seen by BreachTally
2026-10-30 16:25 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

Other filings by MT. DIABLO UNIFIED SCHOOL DISTRICT

OrganizationSourceStateReportedResidents affectedData exposed
Mt. Diablo Unified School District California AG CA Jun 11, 2020 Not published In the letter (PDF)
Mt. Diablo Unified School District California AG CA Sep 7, 2018 Not published In the letter (PDF)
Mt. Diablo Unified School District California AG CA May 19, 2017 Not published Medical / health informationEmail addressPhone numberPostal address
First seen by BreachTally at 16:25 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the data types and the letter. Start a 14-day free trial.

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.