In the era of digitalisation it has become mandatory to ensure cyber security. There are several challenges which are faced by the schools today. The most vital among all the challenges is to guide students on the use of various social networking sites said experts in the seminar organised by Educomp here on Wednesday. The seminar conducted for teachers and Principals on challenges before the schools of the 21st century focusing on the issue of cyber security and creating awareness among children, highlighted on the pros and cons of use of social networking sites. Rakshit Tandon, a IT and cyber security expert, works closely with stakeholders in the education space was the key speaker.