Confirmed

Quantum Health: files with insurance and health data acquired

Between May 29 and June 1, 2026, an unauthorised party accessed and acquired files including health-insurance and other information.

Last updated: 2026-11-09

Overview

A service outage was detected June 1. No total is given.

Timeline

  1. Occurred
  2. Discovered
  3. Disclosed

Organization response

Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.

What you can do

Verify notices through official channels, avoid links in unexpected messages, do not provide credentials, and review credit reports and statements.

Sources

  1. California AG data breach report: Quantum Health, Inc.California Department of Justice, Office of the Attorney General · 2026-11-09
  2. Sample consumer notice filed with California AG (Quantum Health, Inc.)California Department of Justice, Office of the Attorney General · 2026-11-09

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