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Latest / California / December 2023

Los Angeles County Department of Mental Health

Los Angeles County Department of Mental Health notified California AG on Dec 21, 2023 of a data breach, which occurred on Oct 17, 2023. Data exposed: Social Security number, Medical / health information, Health insurance, Date of birth, Phone number, Postal address, Name.

All 5 filings by Los Angeles County Department of Mental Health, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Los Angeles County Department of Mental Health
Source
California AG · source record
Date reported
Dec 21, 2023
Date(s) of breach
Tuesday, October 17, 2023
Residents affected
Not published by this source
Data exposed
Social Security number Medical / health information Health insurance Date of birth Phone number Postal address Name
Notice letter
Sample notice (PDF)
Discovered
Dec 20, 2023, as stated in the letter
"On December 20, 2023, we completed our investigation and determined that certain elements of your personal information may have been impacted by this event. -2- We are also reviewing and updating our security policies, procedures, and co..."
Days to notice
1 day from discovery (Dec 20, 2023) to the California record (Dec 21, 2023). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
First seen by BreachTally
2026-10-30 15:42 UTC

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

First seen by BreachTally at 15:42 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
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Other filings by Los Angeles County Department of Mental Health

OrganizationSourceStateReportedResidents affectedData exposed
LOS ANGELES COUNTY DEPARTMENT OF MENTAL HEALTH California AG CA Aug 30, 2024 Not published Social Security numberMedical / health informationHealth insuranceDate of birth+3
LOS ANGELES COUNTY DEPARTMENT OF MENTAL HEALTH California AG CA May 17, 2024 Not published Social Security numberMedical / health informationHealth insuranceDate of birth+3
LOS ANGELES COUNTY DEPARTMENT OF MENTAL HEALTH California AG CA Mar 22, 2024 Not published Social Security numberMedical / health informationDate of birthPhone number+2
Los Angeles County Department of Mental Health California AG CA Apr 20, 2022 Not published Social Security numberFinancial / bank accountMedical / health informationHealth insurance+3

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