This Research paper has tried to study need of being cyber smart for teachers in this digital era. This study includes skills and qualities required for cyber smart teacher. Researcher has tried to give more focus on role of teachers to spread awareness about cyber security among students. This paper has highlighted basic knowledge of concept about cyber crimes. It will help to teachers to understand role of social media as educational platform e.g. Telegram. This study also mentions about different types of social platform and their benefits as well as drawbacks. Digital citizenship and online safety is now becoming important for each and everyone. Hence it is important to have knowledge about different types of social media threat happening in today’s online world.