# F5

> F5 delivers and secures applications and APIs through BIG-IP, NGINX, and Distributed Cloud Services. Its hardware, software, and SaaS help enterprises manage traffic, keep services available, and defend against attacks across data centers, public clouds, and edge environments.

- **Founded:** 1996
- **Headquarters:** Seattle, United States
- **Founders:** Jeff Hussey (Co-founder; founding President and CEO), Mike Almquist (Co-founder)
- **Products:** BIG-IP, F5 NGINX, F5 Distributed Cloud Services, F5 Application Delivery and Security Platform, F5 AI Guardrails and F5 AI Red Team
- **Notable:** Grew FY2025 revenue 10% to approximately $3.09 billion., Reported Q3 FY2026 revenue of $865 million, up 11% year over year., Company reports use by more than 80% of the Fortune Global 500.

## Products & services

- **BIG-IP** — Application delivery and security services, including load balancing, traffic management, web application firewall, and access controls; available in hardware and software forms. First BIG/ip Controller released in 1997.
- **F5 NGINX** — Open-source and commercial application delivery software, including web serving, reverse proxying, load balancing, and application security. Acquired by F5 in 2019.
- **F5 Distributed Cloud Services** — SaaS application and API security and multicloud networking, including WAF, bot defense, and DDoS protection.
- **F5 Application Delivery and Security Platform** — Platform strategy combining BIG-IP, NGINX, and Distributed Cloud capabilities across environments.
- **F5 AI Guardrails and F5 AI Red Team** — AI runtime protections and adversarial testing introduced after the CalypsoAI acquisition.
- **Global services** — Technical support, maintenance, consulting, and training.

## Achievements

- Grew FY2025 revenue 10% to approximately $3.09 billion.
- Reported Q3 FY2026 revenue of $865 million, up 11% year over year.
- Company reports use by more than 80% of the Fortune Global 500.
- Expanded beyond its original load-balancing product through NGINX, Shape Security, Volterra, and CalypsoAI acquisitions.

## Latest updates

- **2026-10** — October 21: Telenor AI Factory selected BIG-IP Next for Kubernetes for its NVIDIA-powered sovereign AI infrastructure.
- **2026-10** — F5 scheduled fourth-quarter and full-year FY2026 results for October 27, after this profile’s October 24 research cutoff.
- **2026-07** — Reported Q3 FY2026 revenue of $865 million, 11% above the year-earlier quarter.
- **2025-10** — Disclosed a nation-state intrusion into internal systems, including BIG-IP development and engineering knowledge platforms; subsequently described security hardening work.
- **2025-09** — Completed CalypsoAI acquisition and introduced F5 AI Guardrails and F5 AI Red Team.

## Links

- Website: https://www.f5.com/
- LinkedIn: https://www.linkedin.com/company/f5/
- Twitter/X: https://x.com/F5
- GitHub: https://github.com/f5networks
- YouTube: https://www.youtube.com/user/f5networksinc
- Instagram: https://www.instagram.com/f5.global/
- Facebook: https://www.facebook.com/f5incorporated

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Profile page: https://yespress.io/f5
Published by YesPress — https://yespress.io
Last updated: 2026-10-24