Anna Levchenko is the creator of the All-Russian Center for Monitoring Dangerous and Prohibited Content by Russian Law, head of the Safe Childhood movement, assistant to the Commissioner for Children’s Rights under the President of the Russian Federation, initiator of the network movement “Sell the pedophile!”. The Internet and social networks have long been firmly established in our life. Today, almost every child has accounts on social networks. But uncontrolled access to the Internet for minors can result in tragedy. Every third child in Russia has had to deal with pedophiles on the Internet. How to protect a child from threats and what to do if it was not possible to prevent the tragedy? What should you do first? Where to run, to whom to complain? You will find answers to these questions on the pages of my book.