This book constitutes the refereed proceedings of the 30th International Conference on Information and Software Technologies, ICIST 2024, held in Kaunas, Lithuania, during October 17–18, 2024.

The 25 full papers included in this book were carefully reviewed and selected from 75 submissions. They were organized in topical sections as follows: Intelligent Systems and Software Engineering Advance; Cyber Security; Intelligent Methods for Data Analysis and Computer-Aided Software Engineering; and Smart e-Learning Technologies and Applications.