This book presents research papers presented at First International Conference on Trusted Networks and Intelligent Systems (TrustNet 2026), organized by Department of Computer Science and Engineering, Manipal University Jaipur to be held on February 16 – 17, 2026. The proceedings showcase a wide spectrum of contemporary research on the design, development, and deployment of secure and intelligent communication technologies. The selected papers highlight the integration of computer networks, cybersecurity, cryptographic techniques, and intelligent algorithms that collectively contribute to the creation of robust, trustworthy, and future-ready digital ecosystems.