Following

Team Cymru - S2 Research

@teamcymru_S2@infosec.exchange

Elbsides

@elbsides@infosec.exchange

DFN-CERT

@dfncert@infosec.exchange

MISP

@misp@misp-community.org

The Shadowserver Foundation

@shadowserver@infosec.exchange

CERT-EU

@cert_eu@infosec.exchange

circl

@circl@social.circl.lu

Alexandre Dulaunoy

@adulau@infosec.exchange