Whether you're just chatting to your friends, gaming or posting things on your social network, it pays to think about how to be safe online. Here are some places to help you do that.
If you're under 18 and worried about anything, you can get help day or night by phoning Childline Cymru for free or by going to their website for more information about how they can help you. The adults who answer your calls are there to help you with any problem in your life. If you're hard of hearing, you can also use a text phone on the number given.
0800 1111
Bilingual helpline and online service about any subject, if you're between 0 and 25.
Advice and information about how to keep safe online, no matter what age.
Information for parents about keeping young people safe online, especially with social networking sites.
Advice about how to keep all your online life - through your computer, tablet or phone - as safe as possible.
Information for educators, parents, carers, and young people. It seks to raise awareness and understanding of what digital citizenship is and how to become responsible DIGItal citiZENS.