Kaiser Foundation Health Plan Reports Member Data Exposure
Kaiser Foundation Health Plan has reported an unauthorized disclosure of member data impacting millions of individuals. Online tracking technologies led to the transmission of member names, IP addresses, and health-related web activity to third-party vendors. This event highlights the importance for affected members to review their personal information and remain vigilant.
- 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
Kaiser Foundation Health Plan experienced an unauthorized disclosure of data, which occurred on April 12, 2024. This event involved the transmission of certain member information through online tracking tools.
The types of information reported as exposed include member names, IP addresses, and health-related web activity. This data was transmitted to specific third-party vendors without authorization.
Approximately 13,400,000 individuals were affected by this incident. The details of this event were filed with the California Attorney General's office on March 12, 2026.
Individuals who may have been impacted should consider reviewing any official notifications received from Kaiser Foundation Health Plan. It is also generally advisable to be aware of unsolicited communications that might request personal details.
This information is based on public disclosures filed with regulatory authorities. The investigation into this matter is currently noted as being in a monitoring status.