Author Description

<p>This book constitutes the refereed proceedings of the 19th International Conference on Network and System Security, NSS 2025, held in Wuhan, China, during December 5–7, 2025.</p> <p>The 22 full papers presented in this book were carefully reviewed and selected from 74 submissions.</p> <p>The accepted papers cover multiple topics of cyber security and applied cryptography.</p>