BreachCensus

AltaMed Health Services Corporation

healthcareHealthcareUnited States of America

AltaMed Health Services Corporation is a healthcare organisation in California. It appears on the HHS OCR breach portal and the California Attorney General breach-notification register with 9 confirmed incidents; the most recent notice was filed on February 26, 2026.

Data as of September 14, 2026.

Confirmed incident

US-CA — Hacking/IT Incident

Disclosed
February 26, 2026
Records affected
501

Timeline

  1. February 26, 2026
    Reported to regulator Regulator

    HHS OCR breach portal listing: Hacking/IT Incident; Network Server

    source
What a California notice means

Governed by 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 5, 2024
Disclosed
June 13, 2025

Timeline

  1. June 13, 2025
    Reported to regulator Regulator

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

    source
Confirmed incident

US-CA — Unauthorized Access/Disclosure

Disclosed
June 13, 2025
Records affected
4,530

Timeline

  1. June 13, 2025
    Reported to regulator Regulator

    HHS OCR breach portal listing: Unauthorized Access/Disclosure; Email

    source
Confirmed incident

US-CA

Occurred
May 29, 2023
Disclosed
August 4, 2023

Timeline

  1. August 4, 2023
    Reported to regulator Regulator

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

    source
Confirmed incident

US-CA

Occurred
May 30, 2023
Disclosed
June 29, 2023

Timeline

  1. June 29, 2023
    Reported to regulator Regulator

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

    source
Confirmed incident

US-CA

Occurred
May 21, 2018
Disclosed
May 30, 2019

Timeline

  1. February 15, 2019
    Reported to regulator Regulator

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

    source
  2. May 30, 2019
    Reported to regulator Regulator

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

    source
Confirmed incident

US-CA

Occurred
January 9, 2019
Disclosed
May 15, 2019

Timeline

  1. May 15, 2019
    Reported to regulator Regulator

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

    source
Confirmed incident

US-CA

Disclosed
August 29, 2014

Timeline

  1. August 29, 2014
    Reported to regulator Regulator

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

    source