ちぎらたけまさ
ちどりのチ、きってのキにだくてん、らじおのラ、でチギラです
Discord: t.chigira
mixi2: @chigiratakemasa
Mastdon: @chigira@mastodon.cloud
Twitter: chigiratakemasa
@wakatono.bsky.social
Ph.D. in Informatics, Professional Engineer, Japan. Computer Security Engineer / Researcher. He received B.D from UEC, and Ph.D. degree from IISEC. (not received M.D).