Health Plan of San Joaquin (HPSJ)

Health Plan of San Joaquin (HPSJ) notified California AG on May 18, 2021 of a data breach, which occurred on Oct 12, 2020. Data exposed: Social Security number, Medical / health information, Health insurance, Date of birth, Email address, Name.

Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization: Health Plan of San Joaquin (HPSJ)
Source: California AG · source record
Date reported: May 18, 2021
Date(s) of breach: Saturday, September 26, 2020Monday, October 12, 2020
Residents affected: Not published by this source
Data exposed: Social Security number Medical / health information Health insurance Date of birth Email address Name
Notice letter: Sample notice (PDF)
Discovered: Oct 12, 2020, as stated in the letter
"On October 12, 2020, we learned of unusual activity affecting HPSJ’s email system."
Days to notice: 218 days from discovery (Oct 12, 2020) to the California record (May 18, 2021). 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 Equifax
First seen by BreachTally: 2026-10-30 16:06 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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Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.