NSPCC Net Aware: Guide to the social networks used by children, reviewed by Mumsnet users
NSPCC Share Aware: Advice for helping your child online
ParentZone: Articles and avice for parents on issues such as cyberbullying, sexting and more
UK Safer Internet Centre: Parent's guide to technology used by children
Keeping Safe Newsletter: KEEPING SAFE AT CUTCOMBE Jul 2018.pdf
Further Guides of interest to parents:
Family Time with Technology Mar 2018.pdf
Roblox parents guide leaflet 2018.pdf