Are you giving someone a new smart speaker for Christmas? These smart devices can be handy, but they can also invade your privacy. You don't want that Alexa-enabled device spying on you or the person you gift it to. If you want to protect privacy, here are some settings you need to change on your new device — stat.

Did you know that iOS will, by default, erase everything on your iPhone after a certain number of unsuccessful login attempts? That is really not a good situation to be in — especially if you haven't backed your device up in a while. We'll show you how to change this setting and make sure your phone backs up automatically.

Google has secretly been tracking and recording your every move, including the location data of photos you have taken. Don't believe us? Follow our guidelines to see what the company knows about your traveling habits, the places you visit and how long you spent there. We'll also show you how to delete the data and turn the setting off.

The Russian computer hack on America is the most serious security breach in our history. Just how bad? The implications are seriously frightening.