Do Son Sekoia exposed Russian Calisto APT (FSB-linked) targeting RSF and NGOs with spear-phishing. The attack uses a custom AiTM kit and a "missing file" lure to steal credentials and 2FA codes.
Sekoia exposed Russian Calisto APT (FSB-linked) targeting RSF and NGOs with spear-phishing. The attack uses a custom AiTM kit and a "missing file" lure to steal credentials and 2FA codes.