In the release of remarkable firewall test results today, independent nonprofit testing firm CyberRatings.org revealed wild variability in network and cloud firewall efficacy, with special concerns about the firewall instances running in the major public clouds, which seemed not to work very well at all.
In the release of the CyberRatings Q1 2025 Comparative Test Report on Cloud Network Firewalls (CNFWs), many traditional firewalls performed quite well with efficacy ranging at almost 100%. Third-party firewalls from Check Point, Fortinet, Juniper Networks, Palo Alto Networks, and Versa Networks demonstrated the highest security effectiveness blocking exploits and evasion tactics. Results ranged from 99.61% to 100%.
But move into the public cloud, and you get a different story. Some native firewalls from Amazon Web Services (AWS), Google Cloud Platform (GCP), and Microsoft Azure received a 0% Security Effectiveness score as they allowed attacks to bypass existing defenses. In addition, Cisco’s Secure Firewall Defense didn’t receive high ratings, with a 54.5% effectiveness rating and the highest costs per bit of traffic in the bunch.
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