Alameda Health System

Alameda Health System notified California AG on Jun 24, 2022 of a data breach, which occurred on Feb 28, 2022. Data exposed: Social Security number, Financial / bank account, Medical / health information, Health insurance, Date of birth, Email address, Military ID, Postal address, Name.

All 2 filings by Alameda Health System, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization: Alameda Health System
Source: California AG · source record
Date reported: Jun 24, 2022
Date(s) of breach: Thursday, April 30, 2020Monday, February 28, 2022
Residents affected: Not published by this source
Data exposed: Social Security number Financial / bank account Medical / health information Health insurance Date of birth Email address Military ID Postal address Name
Notice letter: Sample notice (PDF)
Discovered: Mar 22, 2022, as stated in the letter
"On March 22, 2022, we determined that unauthorized third parties from outside AHS were able to remotely access the email accounts of several AHS employees."
Days to notice: 94 days from discovery (Mar 22, 2022) to the California record (Jun 24, 2022). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Offered in the letter: 12 months of credit or identity monitoring through Experian
First seen by BreachTally: 2026-10-30 16:02 UTC

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

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Other filings by Alameda Health System

Organization	Source	State	Reported	Residents affected	Data exposed
Alameda Health System	California AG	CA	Oct 22, 2020	Not published	Name

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