Cloud security is a discipline of cyber security dedicated to securing cloud computing systems. This includes keeping data private and safe across online-based infrastructure, applications, and platforms. With a view to give maximum exposure of the students of the department of Computer Science & Engineering on booming technologies an online Guest Lecture on the topic “Cyber Security in Cloud” was conducted on 05-09-2022. The resource person was Mr. Kalmesh Joshi, Principal Advisor, Cyber Security, Cloud, IT Ops and Managed Services, EBTS Mumbai. Dr. G. Aravind Swaminathan, HOD/CSE welcomed the introduced the resource person. The resource person talked about cyber security, Cloud Computing Security, Denial of service, Vulnerability Assessment and Penetration Testing. The session was found to be informative and the session closed with a vote of thanks by Dr. G. Aravind Swaminathan. The programme was arranged by Dr. G. Aravind Swaminathan, HOD/CSE and Coordinated by Dr. E. Manohar, AP/CSE.