This book constitutes the refereed proceedings of the 9th International Conference on Frontiers in Cyber Security, FCS 2026, held in Macau, China, during August 3–5, 2026.
The 23 full papers included in this book were carefully reviewed and selected from 79 submissions. They were organized in topical sections as follows:Post-Quantum Lattice Crypto; Secure Data Sharing; Privacy in Distributed Networks; Blockchain & Smart Contract Security;
Mingwu Zhang
Access Control Key Management Anonymity Language-Based Security Applied Cryptography Malware and Anti‑Malware Authentication and Authorization Big Data Security and Privacy Mobile Computing Security Hardware Security Biometrics Security Critical Infrastructure Protection Network Security Trust and Reputation Systems Cloud and Edge Computing Security