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monitoringUnauthorized Disclosure
Kaiser Permanente Data Disclosure: A Plain-English Guide
A 2024 disclosure involved member web activity being shared with third-party vendors. Here is what was involved and how concerned to be.
- State
- CA
- Affected
- 13,400,000
- Breach date
- April 12, 2024
- Reported
- March 12, 2026
What may have been exposed
- member names
- IP addresses
- health-related web activity
The Kaiser incident involved online tracking technologies transmitting member information to third-party vendors. Reported exposed data includes member names, IP addresses, and health-related web activity. This is a privacy-disclosure issue rather than a criminal breach, so identity-theft risk is comparatively lower, but you may wish to review the tracking and privacy settings on your member portal.