If you used HealthCare.gov to sign up for health insurance, then third-party advertising and analytics firms could have their hands on some of your information. The site has tools from roughly 50 companies running in the background to collect data that can help improve the customer experience.
The scope of what is disclosed or how it might be used was not immediately clear, but it can include age, income, ZIP code, whether a person smokes, and if a person is pregnant. It can include a computer's Internet address, which can identify a person's name or address when combined with other information collected by sophisticated online marketing or advertising firms.
There's no evidence that these companies have misused the collected data. In fact, the Obama Administration has said that the companies are specifically barred from using any data collected for their own purposes. But, the situation still raises some scary security questions concerning your personal information.