Further help and support. For practical advice on privacy settings, parental controls and more call our online safety Advice Line on 0808 800 5002. If you're a child or young person and want to talk, contact Childline online or call 0800 1111. Anyone who's worried about online grooming or sexual behaviour online can contact CEOP.
This link was sent to me from the Hertfordshire Police and again, would be worth a look.