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Latest / California / October 2024

Harvard Pilgrim Health Care

Harvard Pilgrim Health Care notified California AG on Oct 3, 2024 of a data breach, which occurred between Mar 28, 2023 and Apr 17, 2023.

Organization
Harvard Pilgrim Health Care
Source
California AG · source record
Date reported
Oct 3, 2024
Date(s) of breach
03/28/2023, 04/17/2023
Residents affected
Not published by this source
Data exposed
Not stated in the source listing
Notice letter
Not available
First seen by BreachTally
2026-10-30 15:39 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 Harvard Pilgrim Health Care

OrganizationSourceStateReportedResidents affectedData exposed
Harvard Pilgrim Health Care, Inc. HHS OCR US Jul 21, 2026 1,168 Medical / health information
Harvard Pilgrim Health Care California AG CA Jan 21, 2025 Not published Not stated
Harvard Pilgrim Health Care California AG CA Mar 27, 2024 Not published In the letter (PDF)
​​Harvard Pilgrim Health Care​ California AG CA Feb 15, 2024 Not published In the letter (PDF)
Harvard Pilgrim Health Care California AG CA Aug 25, 2023 Not published Not stated
Harvard Pilgrim Health Care California AG CA Jul 20, 2023 Not published Not stated
Harvard Pilgrim Health Care Delaware DOJ DE Jun 15, 2023 624 Social Security numberMedical / health informationHealth insuranceDate of birth+3
First seen by BreachTally at 15:39 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.