Akira Initial Access: SonicWall VPN Auth Outside Business Hours

Ibrahim Saud@tektrix

•updated Sep 18, 2026•1•0•3

Detects successful VPN authentication events targeting SonicWall devices during non-business hours (between 20:00 and 06:00, or on weekends). This behavior is characteristic of initial access tradecraft often employed by ransomware affiliates to gain network entry with minimal operational noise.