Ubiquitous security : Second International Conference UbiSec 2022 Zhangjiajie China December 28 31 2022 revised selected papers This book constitutes the refereed proceedings of the Second International Conference UbiSec 2022 held in Zhangjiajie China during December 28 31 2022.The 34 full papers and 4 short papers included in this book were carefully reviewed and selected from 98 submissions. They were organized in topical sections as follows: cyberspace security cyberspace privacy cyberspace anonymity and short papers