Lock your device with a password or PIN and keep this private. Make sure the operating system and apps on your device are kept up-to-date and install security software and encryption where possible. Only install apps from trusted sources. Use Apple's Find my iPhone or the Android Device Manager tools to help prevent loss or theft.
National Cyber Security Centre on keeping your phone and tablet secure
Public Wi-Fi can be very useful when you’re on the go but it can also leave your data open to risk. Find out how to keep yourself safe on public Wi-Fi.
Using your home network may not always be safe from hackers. Follow this link to read up on how to protect your home Wi-Fi network.
Updated on 1 January 1970