Participants: Liu(M2), Uehara(M1)

The International Conference on Security of Information and Communication Systems (ICSS) was held on November 29 and 30, 2021, at Kochi Castle Hall (Kochi City) and online (Zoom). It was held at Kochi Castle Hall (Kochi City, Kochi Prefecture) and online (Zoom) on November 29 and 30, 2021. Presentations were made on various fields of security, including IPv6 security, network security of honeybots used as decoy environments, and theoretical studies. During the question-and-answer session, there was a lively exchange of opinions at the Kochi Castle Hall and online.