THREAT OPS › Threat News › A Coordinated Brute Force Campaign Targets Fortinet SSL VPN
A Coordinated Brute Force Campaign Targets Fortinet SSL VPN
On August 3rd, 2025 GreyNoise observed a significant spike in brute-force traffic targeting Fortinet SSL VPNs. Over 780 unique IPs triggered our Fortinet SSL VPN Bruteforcer tag in a single day — the highest single-day volume seen on this tag in recent months.