​This book constitutes the refereed proceedings of the 13th International Conference, on Applications and Techniques in Information Security, ATIS 2022, held in Manipal, India, December 30–31, 2022. The 23 full papers included in this book were carefully reviewed and selected from 121 submissions. They were organized in topical sections as follows: Privacy and Security, Advances in Machine Learning, Cloud, IoT and Computing Technologies.

This book constitutes the refereed proceedings of the 12th International Conference on Applications and Techniques in Information Security, ATIS 2021, held as a virtual event in December 2021. The 9 full papers along with the 5 short papers presented in the volume were carefully reviewed and selected from 67 submissions. The papers are focused on all aspects on techniques and applications in information security research.