The book "Security with Intelligent Computing and Big-data Services" provides a comprehensive analysis of the security aspects that are significant in the context of intelligent computing and big data services. It is based on the proceedings of the 2017 International Conference on Security with Intelligent Computing and Big-data Services, as well as several workshops addressing topics such as information and communication technology security, forensics, and medical applications. The topics covered are diverse, ranging from algorithms and security analyses to IoT applications and blockchain technologies. This work aims to promote the exchange between researchers and industry practitioners and to inspire new research directions. It not only offers innovative ideas but also encourages stimulating discussions that are important for the advancement of security research.