Parents worry about how they can keep their children safe online. The purpose of this Guide is to provide parents with some basic knowledge and advice in order to help them with their important role in informing about the safe and responsible use of the Internet. In particular, this guide aims to provide information on the positive and indicative use of the Internet by age groups (pre-school, school and adolescence) as well as inform about the risks involved, giving useful tips on how to talk with their children and how to help them use it safely and responsibly.