§16§§This book constitutes the refereed proceedings of the 16th International Conference on Information Security Practice and Experience, ISPEC 2021, held in Nanjing, China, in December 2021.§§The 23 full papers presented in this volume were carefully reviewed and selected from 94 submissions. The conference focus on new information security technologies, including their applications and their integration with IT systems in various vertical sectors.§§§§ §04§§Cryptology.- Applied cryptography.- Mobile security.- Cloud security.- Access control.- Privacy enhanced technology.- Viruses and malware.- Software security.-Database security.- Web security.- Operating system security.- Intrusion detection.- Big data security and privacy.- Biometric Security.§
