The 12 closest competitors and alternatives to F5, Inc. among cybersecurity companies — ranked by similarity to what F5, Inc. actually does, not by market-cap band.
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F5, Inc. provides hybrid multicloud application security, delivery, and traffic management solutions for enterprises, including web application firewalls, API security, and AI infrastructure protection. The company serves enterprise customers across industries such as financial services, e-commerce, healthcare, and the public sector.
F5, Inc. is a cybersecurity company headquartered in United States, founded in 1996. It is publicly listed (FFIV) with a market capitalisation of $23.8B. Xcout tracks 36 named people at F5, Inc., including Francois Locoh-Donou (President, CEO & Chairman). Xcout recorded 9 job postings from F5, Inc. in the last 90 days.
30 more named people on record for F5, Inc., with roles, board committees and tenure — see the full roster →
Xcout recorded 9 job postings from F5, Inc. in the last 90 days, from a hiring record Xcout has kept since June 2026.
The weekly hiring trend, the roles and locations behind it — see F5, Inc.'s hiring signals →
Ranked by semantic similarity — how close each company is to F5, Inc. by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Cloud Computing & Cybersecurity
F5 Volterra provides SaaS-based security, networking, and application management services for cloud-native environments.
Similar cybersecurity company
Radware Ltd. and its affiliated companies are dedicated to the development, production, and distribution of advanced cybersecurity and application management tools. These sophisticated solutions cater to applications hosted across global cloud infrastructures, traditional physical data centers, and modern software-defined environments. The company's security offerings encompass DefensePro for immediate network attack defense, AppWall serving as a Web Application Firewall (WAF), and the Radware Kubernetes WAF, specifically engineered for WAF protection within Kubernetes-orchestrated CI/CD pipelines. Additionally, DefenseFlow provides comprehensive cyber command and control capabilities. In terms of application delivery, Radware supplies Alteon, an application delivery controller and load balancer essential for web, cloud, and mobile applications, alongside LinkProof NG, a multi-homing and enterprise gateway ensuring robust connectivity for both on-premise and cloud-based applications. Radware further enhances its portfolio with specialized subscriptions and services. These include a Security Updates Subscription, designed to shield network elements, hosts, and applications from emerging threats and vulnerabilities. The ERT Active Attackers Feed offers clients critical intelligence regarding attack sources recently involved in DDoS and web attacks. The Alteon Global Elastic License provides adaptable ADC services across diverse private, public cloud, and data center environments. For monitoring, APSolute Vision serves as a network surveillance tool for cybersecurity and application delivery solutions, while the MSSP Portal streamlines DDoS detection and mitigation services. Moreover, clients can access Radware's Cloud DDoS Protection Service, delivering top-tier distributed denial-of-service defense via the cloud. Complementing these products, the company offers a full spectrum of customer support, including technical assistance, professional services, managed services, and various training and certification programs. Radware's products are primarily sold through independent distributors, such as value-added resellers (VARs), original equipment manufacturers (OEMs), and system integrators (SIs). Established in 1996, Radware Ltd. is headquartered in Tel Aviv, Israel.
Similar cybersecurity company
Data Theorem provides an application security platform focused on API security, cloud security, mobile security, and AI security.
Similar cybersecurity company
Cequence Security, Inc. is a cybersecurity company that provides application security, API protection, and AI-driven threat research to defend business applications from modern cyber attacks.
Similar cybersecurity company
Contrast Security provides a runtime application security platform that protects software, APIs, and AI-generated code from exploits and zero-day attacks. The company's products offer vulnerability assessment, application testing, and real-time threat detection to help development, security, and operations teams secure enterprise applications.
Network Security, DDI
Infoblox provides core network services, including DNS, DHCP, and IPAM (DDI), as well as foundational cybersecurity solutions designed for hybrid and multi-cloud environments. The company serves enterprise organizations across various industries, such as healthcare, education, public sector, and service providers, helping them unify networking, secure infrastructure, and automate workflows.
Similar cybersecurity company
Aqua Security provides a unified cloud-native application protection platform (CNAPP) that helps organizations secure code, containers, serverless functions, and cloud workloads. Its products offer vulnerability management, software supply chain security, posture management, and runtime protection for hybrid and multi-cloud environments. The company serves enterprise customers across industries such as financial services, automotive, and government.
Network Security, Data Protection
Barracuda Networks provides cloud-enabled cybersecurity solutions designed to protect enterprise data, applications, email, and networks. The company serves businesses of various sizes and managed service providers (MSPs) with tools encompassing threat detection, data backup, and managed extended detection and response (XDR).
Similar cybersecurity company
A10 Networks, Inc. delivers networking solutions across global markets, including North and South America, Japan, the broader Asia Pacific region, and Europe, the Middle East, and Africa (EMEA). The company's product suite features the Thunder Application Delivery Controller (ADC), engineered for advanced server load balancing, and the cloud-native Lightning ADC, a Software-as-a-Service (SaaS) platform that boosts application and microservice delivery and security. For service provider networks, the Thunder Carrier Grade Networking product facilitates standards-compliant address and protocol translation. Security solutions include the Thunder Threat Protection System (TPS), safeguarding networks and server infrastructure against massive distributed denial of service (DDoS) attacks, and the Thunder Secure Sockets Layer (SSL) Insight, which decrypts SSL-encrypted traffic for in-depth inspection by external security devices. Furthermore, the Thunder Convergent Firewall consolidates various critical security and networking functions into a unified appliance. A10 Networks also provides intelligent management and automation tools: the Harmony Controller offers smart oversight, automation, and analytics for secure multi-cloud application delivery, while aGalaxy TPS serves as a multi-device network management solution. These offerings are available for deployment on optimized hardware appliances, bare-metal software, containerized software, virtual appliances, and cloud-native software. The company serves a diverse clientele, encompassing cloud providers, telecommunications and multiple system operators, governmental entities, and enterprises across various sectors like technology, industrial, retail, finance, gaming, and education. A10 Networks markets its products through both its direct sales force and an extensive network of distribution partners, including distributors, value-added resellers, and system integrators. Established in 2004, A10 Networks, Inc. is headquartered in San Jose, California.
Similar cybersecurity company
SonicWall is a cybersecurity company that provides network security products, including firewalls, secure remote access, cloud security, and threat protection services. Its customers include small and mid-sized businesses, enterprises, managed service providers, and government organizations.
Similar cybersecurity company
Hillstone Networks Co., Ltd. delivers advanced cybersecurity solutions designed to safeguard the digital infrastructure of both corporate entities and service providers. Their comprehensive offerings include robust protections for network perimeters (edge security), extensive cloud defense and management tools, and specialized safeguards to prevent server breaches. The company also provides application delivery controller (ADC) technology, complemented by dedicated technical assistance and training programs. Established in 2006, Hillstone Networks is headquartered in Suzhou, China.
Similar cybersecurity company
Fortinet, Inc. specializes in delivering extensive, unified, and automated cybersecurity solutions to a global clientele, encompassing the Americas, Europe, the Middle East, Africa, and the Asia Pacific regions. At its core, the company offers FortiGate, a powerful platform combining hardware and software licenses that provides a comprehensive suite of security and networking functionalities. This includes firewall capabilities, intrusion prevention, anti-malware defense, virtual private network (VPN) services, application control, web filtering, anti-spam measures, and wide area network (WAN) acceleration. Beyond its flagship product, Fortinet provides a diverse portfolio of specialized security tools. These range from FortiSwitch for secure network switching and FortiAP for robust wireless connectivity, to FortiExtender, a versatile hardware appliance. For centralized network visibility and control, clients utilize FortiAnalyzer for logging, analysis, and reporting, and FortiManager for scalable administration of FortiGate devices. The company further fortifies digital defenses with FortiWeb (web application firewalls), FortiMail (secure email gateways), and FortiSandbox technology, which offers proactive threat detection and mitigation. Endpoint protection is a key focus, delivered through FortiClient (featuring pattern-based anti-malware, behavior-based exploit protection, web-filtering, and an application firewall) and the advanced FortiEDR/XDR suite, which leverages machine learning for anti-malware execution and real-time post-infection defense. Additionally, FortiToken and FortiAuthenticator product families provide essential multi-factor authentication to safeguard systems and data. Fortinet's service offerings include security subscriptions, technical support, professional consulting, and training programs. Its robust security technologies are distributed both directly to end-users and through an extensive network of channel partners. The company serves a wide array of sectors, including telecommunications, technology, government, financial services, education, retail, manufacturing, and healthcare. Headquartered in Sunnyvale, California, Fortinet, Inc. was established in 2000 and maintains a strategic alliance with Linksys.
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