Defense Connect Online (DCO) has migrated to the new COOP architecture. With this migration, users mil. DSN.
CO missions are categorized as offensive cyberspace operations (OCO), defensive cyberspace operations. (DCO), and DODIN based on their.
First you have to create a DCO (Defense Connect Online) account by accessing https://www. dco.dod. mil /public/dsp/alvindownload.com?banner=true or going to.