How to use public Wi-Fi networks safely, and protect your data and information

You can use public Wi-Fi networks safely if you stick to networks you know, visit secure sites, turn off AirDrop and File Sharing, or use a VPN.

A guide to network security keys, the password for your Wi-Fi network

A network security key is basically your Wi-Fi password — it's the encryption key that your password unlocks to allow access to the network.