Lots of people use personal health devices, such as Fitbits, or mobile health or wellness apps (there are a variety offered through Apple’s and Google’s app stores). There are important privacy and security questions about the devices and apps, because the data that they can gather can be sensitive — disease status, medication usage, glucose levels, fertility data, or location information as the devices track your every step on the way to your 10,000 steps-per-day goal. And the medical diagnoses drawn from such information can surprise people, especially the individuals using the apps and devices.
For example, one man was concerned after reviewing his wife’s Fitbit data. He “noticed her heart rate was well above normal.” He thought the device might be malfunctioning, so he posted the data on message-board site Reddit and asked for analyses. One person theorized that his wife would be pregnant. The couple made a doctor’s appointment and confirmed the pregnancy.
This case illustrates the sensitive medical data gathered by personal medical devices and apps that a person might not even realize is possible. Did you know that heart-rate changes could signal a pregnancy?
And this isn’t the first time that sensitive information of Fitbit users has been inadvertently revealed. Five years ago, there was an uproar over Fitbit’s privacy settings when people who were logging their sexual activity as a form of exercise learned that the data was showing up in Google searches. Read more »