In early August 2025, researchers from GreyNoise first observed a significant spike in brute-force attacks against Fortinet SSL VPN instances. A brute-force attack is when an attacker tries every ...

Poor Performance – SSL VPN technology was initially far slower than IPSec VPN because these early solutions established two TCP connections per tunnel – one inside the other – to provide access.

As of mid-July 2025, cybersecurity researchers Arctic Wolf Labs observed an uptick in malicious logins, all coming through ...

Some of these vulnerabilities shown below had been previously reported in other Fortinet products but were fixed only recently in FortiProxy SSL VPN versions shown below.

The client’s default configuration for SSL-VPN has a certificate issue, researchers said. Default configurations of Fortinet’s FortiGate VPN appliance could open organizations to man-in-the ...

Fortinet says unknown attackers exploited a FortiOS SSL-VPN zero-day vulnerability patched last month in attacks against government organizations and government-related targets.

Vulnerabilities in SSL VPN products are some of the most exploited by attackers for initial access to target networks, acting as a doorway for exploitation. Earlier this year, Tenable Research ...

Security with ease of use is the promise of Secure Sockets Layer VPNs. In our test of seven SSL VPN gateways – from AEP, F5 Networks, NetScreen Technologies, Netilla, Nokia, Symantec and Whale ...

Neoteris, which sells an SSL VPN appliance, is one of a growing number of vendors offering alternatives to traditional VPNs. So far, however, the vast majority of companies that need to provide ...

SSL VPN (secure sockets layer virtual private network) vendors are introducing features that directly compete with traditional IPsec VPNs. SSL VPNs have certain advantages over IPsec solutions ...