This book constitutes the refereed proceedings of the 8th International Conference on Information Systems Security, ICISS 2012, held in Guwahati, India, in December 2012. The 18 revised full papers and 3 short papers presented were carefully reviewed and selected from 72 submissions. The papers are organized in topical sections on software security, acces control, covert communications, network security, and database and distributed systems security.

This book constitutes the proceedings of the 17th International Conference on Distributed Computing and Internet Technology, ICDCIT 2020, held in Bhubaneswar, India, in January 2021. The 13 full papers presented together with 4 short papers were carefully reviewed and selected from 99 submissions. The papers were organized in topical sections named: invited talks, cloud computing and networks, distributed algorithms, concurrency and parallelism, graph algorithms and security, social networks and machine learning, and short papers.