Add fitness trackers to the list of smart gadgets that aren't as secure as they should be. At least that's what security researcher Axelle Apvrille is claiming, and demonstrated at a recent security conference.
She claims that she found a weakness in the popular Fitbit line of fitness trackers. An attacker could use Bluetooth to take over the tracker and mess with its programming. It's still unclear just how serious of a problem this is at the moment, however.
First, the attacker has to be within Bluetooth range, which is about 30 feet. Second, right now the only confirmed thing the attacker could do is mess with your step count. So, someone could make you think you've walked a lot more that day than you have.
Over time, this could lead to you being less healthy than you think, but it's not really a major threat. However, Apvrille is saying that there's a possibility of a worse attack.
In theory, a hacker could load a virus on to the Fitbit. Then the next time you sync the Fitbit up with your computer, the virus could make the jump and infect your system. However, Fitbit says this is unlikely, and even Apvrille hasn't accomplished this yet.
Plus, as a means of hacking it's not very efficient. A hacker could do much more damage with a regular phishing email.