F5

F5 is a vendor of application delivery and security technology. Its products sit in front of applications and APIs to balance traffic, speed up delivery and block attacks, and they are used across data centers, public clouds and edge locations.

The product range covers load balancing, DNS, an API gateway and CDN on the delivery side, and web application firewalls, API security, bot management, DDoS defense, zero trust access, network firewalls, SSL and TLS orchestration, client-side protection and web application scanning on the security side. Well-known product families include BIG-IP, NGINX and F5 Distributed Cloud Services, and newer AI security offerings include guardrails, red teaming and an AI gateway.

F5 delivers its technology as hardware, software, SaaS and cloud-native components, so customers can run it on their own infrastructure or consume it as a service. It works with cloud providers such as AWS, Google Cloud and Microsoft Azure, and sells through resellers, managed services and professional services.