Kaiser Foundation Health Plan Reports Data Exposure via Tracking
Kaiser Foundation Health Plan in California reported an unauthorized disclosure affecting 13.4 million individuals. Online tracking technologies transmitted member names, IP addresses, and health-related web activity to third-party vendors.
- 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 has filed a data breach report with the California Attorney General, indicating an unauthorized disclosure affecting approximately 13,400,000 individuals. The incident occurred on April 12, 2024, and was officially reported on March 12, 2026.
According to the official filing, the breach stemmed from the use of online tracking technologies. These tools inadvertently transmitted certain member information to third-party vendors without proper authorization.
The specific categories of data identified as exposed include member names, IP addresses, and health-related web activity. These details are based directly on the information provided in the public breach filing.
Individuals potentially affected by this disclosure should remain vigilant about their online privacy. It is advisable to review privacy settings on all accounts and be cautious of unsolicited communications, as a general protective measure.
The investigation into this incident is currently ongoing, with authorities continuing to monitor the situation. This information reflects details available from the official regulatory filing.