In recent years, social networks (MXH) have had a strong development, having a great impact on social life in most countries around the world, including Vietnam. Social network has become a popular term with diverse features that allow users to connect, share and receive information quickly and efficiently. The positive role of social media cannot be denied, but it must also be recognized that hostile forces and criminals have been turning it into an effective tool for ideological sabotage activities, "peaceful evolution". ". and other criminal activities.