Is your Wi-Fi connection slower than usual even though you're the only one using it? What if someone else managed to connect without your permission? Here's how to find out if someone is connecting to ...

Do you know who's connected to your router's Wi-Fi network? Take a look at the list of devices connected to your Wi-Fi network from your router or computer to find out.

Is the green personal hotspot icon showing on your iPhone even when you're not using it? Someone else might be; here's how to find out.