Guest Lecture on “Secure Communication tools for Wireless Technology” was conducted by the Department of Electronics and Communication Engineering on 19.04.2023. The resource person of the event was Vikram Singh, Co-Founder, Gigayasa Wireless Private Limited Chennai. He delivered the talk to the students and this lecture was discussed about overview of 5G security issues, existing and newly proposed technologies designed to secure the 5G environment, moreover, he overviewed about the necessary function of network security simulations, types and performance of simulation tools.