CEOP Education (formerly ThinkUKnow) has resources for parents and children
CEOP Safety Centre is a place for anyone, including children, to make a report to the police if they have a concern about someone they have been speaking to online.
The NSPCC's Keeping children safe online website has resources to help parents understand the best ways to keep their children safe when using the internet.
Childline (from the NSPCC) provide free information and advice for children both online and over a freephone number (0800 11 11)
Internet Matters has step-by-step guides on how to apply parental controls on your phone, tablet, computer, and even on your internet connection, as well as many popular apps and games such as YouTube, Spotify, Roblox, and Minecraft.
Kids Online Safety is a resource from the Department for Education and Department for Science, Innovation and Technology to support parents & carers in keeping their children safe online
For even more resources, videos, and links, check out the London Grid for Learning's ParentSafe website.