Participant: yamatsuki(B4)(PWS),Inomoto(M2)(CSS)

The Computer Security Symposium (CSS) 2021 was held for four days from October 26 to 29 in an online format using ZOOM. It was held jointly with MWS, PWS, UWS, and OWS, and participants could freely listen to the presentations. Dozens of people gathered at each session and actively exchanged opinions using Slack not only during the presentations but also after the presentations.