The Security in Networks, Systems, Information, and Cyber Landscape (SENTINEL) Laboratory, co-directed by Prof. Geetha, Prof. Barsha, and Prof. Rajib Ranjan, is a research hub dedicated to advancing knowledge and innovation in cybersecurity, network resilience, and information protection. The lab’s work spans system security, threat intelligence, privacy-preserving architectures, and trustworthy computing. With expertise covering both theoretical frameworks and practical implementations, the team investigates solutions to emerging challenges in cyber defense and digital forensics. A diverse group of research scholars, JRFs, and undergraduate students collaborates on cutting-edge problems in network security, cryptography, and cyber threat mitigation, strengthening the foundation for a secure digital ecosystem.