2020 The 5th International Conference on Network Security (ICNS 2020) will be held in Tokyo, Japan, December 18-20, 2020 (http://icns.org/). This conference will provide a platform for participants to discuss the latest research findings and future research in the fields of Network Security. Accepted and registered full papers of ICNS 2020 will be collected in conference proceedings, which will be indexed by Ei & Scopus. *History: - ICNS 2019 | Luoyang, China Proceedings by ACM (ISBN: 978-1-4503-7702-7) https://dl.acm.org/doi/proceedings/10.1145/3375998 - ICNS 2018 | Taipei, China Proceedings by ACM (ISBN: 978-1-4503-6553-6), https://dl.acm.org/doi/proceedings/10.1145/3301326 EI & Scopus indexed. -ICNS 2017 | Kunming, China Proceedings by ACM (ISBN: 978-1-4503-5366-3), https://dl.acm.org/doi/proceedings/10.1145/3171592 EI & Scopus indexed. -ICNS 2016 | Kyoto, Japan Proceedings by ACM (ISBN:978-1-4503-4793-8), https://dl.acm.org/doi/proceedings/10.1145/3033288 EI & Scopus indexed. *Submission: By online submission system: http://confsys.iconf.org/submission/icns2020 *Call for Paper: http://icns.org/cfp.html Topics of interest for submission include, but not limited to: Active Defense Systems Adaptive Defense Systems Analysis, Benchmark of Security Systems Applied Cryptography Authentication Biometric Security Complex Systems Security Database and System Security Data Protection Data/System Integrity Distributed Access Control Distributed Attack Systems Denial-of-Service High Performance Network Virtualization High Performance Security Systems Security in Cloud and Grid Systems Security in E-Commerce Security in Pervasive/Ubiquitous Computing Security and Privacy in Smart Grid Security and Privacy in Wireless Networks Secure Mobile Agents and Mobile Code Security Policy Security Protocols Security Simulation and Tools Security Theory and Tools ...... *Contact: Ms Tina T. Wong Email: icns@zhconf.ac.cn Tel: +86-139-8006-2041