Enabling public sharing for private networks is a big security risk because it will make your computer discoverable by anyone else on the network. If you connect to the Wi-Fi at a local café, you ...

A VPN (virtual private network) encrypts your internet traffic and protects your online privacy. Find out how it works and why you should use it.

You can also change Private Wi-Fi options by tapping the i (info) icon next to a nearby network, or tapping Edit at the top of Wi-Fi settings and tapping the i icon.