This blog post focuses on the 1st track of JSAC2021, following the previous reports on the 2nd and 3rd track.Opening Talk: Looking Back on the Incidents in 2020Speaker: Takayoshi Shiigi (JPCERT/CC)Slides (English)VideoTakayoshi opened the JSAC2021 with an overview of incidents that JPCERT/CC confirmed in 2020, focusing on targeted attack and widespread attack.Targeted attack in 2020 is characterised by leveraging cloud services for malware operation in multiple stages of attacks from...