Fortinet SSL VPNs Hit by Global Brute-Force Wave Before Attackers Shift to FortiManager

Cybersecurity researchers are warning of a “significant spike” in brute-force traffic aimed at Fortinet SSL VPN devices.
The coordinated activity, per threat intelligence firm GreyNoise, was observed on August 3, 2025, with over 780 unique IP addresses participating in the effort.
As many as 56 unique IP addresses have been detected over the past 24 hours. All the IP addresses have been

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