It's worth looking at each of the following sites to get a balanced view of the potential risks of what is really an invaluable resource.
Internet matters.org A really useful site with, among other things, information about how to set up parental controls on devices around your home.
Get Safe On Line This is a UK Government sponsored site containing lots of helpful information.
The Virtual Global Taskforce The VGT is an international organisation dedicated to making the internet a safer place, especially for children. It was set up by police forces in Britain, America, Canada and Australia.
Internet Watch Foundation Here you can report any illegal content that you come across on the internet.
BBC Online Safety How to stay safe when you are on line and links to lots of useful sites about online safety.
Chat Danger This site is all about the potential dangers of interactive services like chat, Instant Messaging, email, texting and online games. Find out what the dangers are and how to chat safely.
Cybercafe A fun place to learn about internet safety.
Cybersmart An Australian site all about communications safety. There are sections about different kinds of communication and each section has different areas for different ages. (The site is sponsored by the Australian Government).
Don't Be In The Dark Part of Disney's website. Safe surfing advice for kids, and parents too, presented in a fun way.
Get Safe On Line Really useful site.
Kidsmart Lots of useful information, games and activities to help you learn and practise your online safety skills. (There are areas for parents and teachers too).
ThinkUKnow Simple advice and links to further advice on the Internet Safety Zone. This site is part of CEOP (Child Exploitation and Online Protection Centre). There are sections for different age groups and for parents and teachers.