Attackers Don’t Hack In—They Log In: The MFA Blind Spot by Lucie Cardiet

This report describes emerging credential-based campaigns that use compromised devices and distributed botnets to perform noninteractive sign‑ins and high-volume password spraying to bypass MFA and legacy-auth protections; it highlights detection gaps and advocates a hybrid Detection & Response approach (including AI-driven analytics and Vectra AI) to monitor noninteractive authentication pathways and mitigate lateral movement and persistent compromise.