BreachCensus

Mt. Diablo Unified School District

United States of America

Mt. Diablo Unified School District is an organisation in California. It appears on the California Attorney General breach-notification register with 4 confirmed incidents; the most recent notice was filed on June 11, 2020.

Data as of August 31, 2026.

Confirmed incident

US-CA

Occurred
November 4, 2019
Disclosed
June 11, 2020

Timeline

  1. June 11, 2020
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
What a California notice means

Required under Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.

Note: no affected-count is published on this register.

California breach-notification register ↗

Confirmed incident

US-CA

Occurred
August 8, 2018
Disclosed
September 7, 2018

Timeline

  1. September 7, 2018
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
Confirmed incident

US-CA

Occurred
April 27, 2017
Disclosed
May 19, 2017

Timeline

  1. May 19, 2017
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
Confirmed incident

US-CA

Occurred
December 1, 2012
Disclosed
December 12, 2012

Timeline

  1. December 12, 2012
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source