What we know about security features on the Apple Watch

The Apple Watch can do a lot of things — monitor your heart rate, buy stuff with Apple Pay and even open your garage door.

So how does the wearable, which goes on sale April 24, make sure that you — and not someone who has stolen your Apple Watch — are the one doing those things? While we don’t know too much about how the Apple Watch will tackle privacy concerns, the company has a few elements in place to make sure the device is secure.