Hi karan, to climb to the top of the security ladder and becoming a Security Director, you first need a Bachelor’s degree in Computer Science (B.Tech or BE), Cyber Security or a related technical field. An MS will be a plus on any job application. Then you should have very good experience in Information Security domain, so that you know Security aspects in-and-out. Big companies usually looks for a relevant master’s degree with a concentration in IT security, along with high exoerience.