Top Web Application Firewall Companies Securing the Web
23 May, 2025

The global web application firewall market is expected to grow at a compound annual growth rate (CAGR) of 14.20% from 2025 to 2033, from US$ 6.19 billion in 2024 to US$ 20.44 billion by 2033. A Web Application Firewall (WAF) is a type of security solution designed to protect web applications from online threats such as SQL injection, cross-site scripting (XSS), and malicious assaults. In order to detect potentially harmful patterns in the incoming data, it monitors and filters HTTP traffic between a web server and users. Real-time protection against denial-of-service (DoS) attacks, security holes, and data breaches is provided by WAFs deployed in the cloud or on-premises. Because it stops malicious requests and enforces security rules, a WAF is an essential tool for online enterprises that want to ensure the availability, confidentiality, and integrity of web applications. Similarly, the market for web application firewalls (WAF) in North America is anticipated to grow rapidly, from USD 2.13 billion in 2024 to USD 6.65 billion in 2033.

By filtering and monitoring HTTP traffic, companies in the web application firewall (WAF) industry offer solutions that defend online applications from cyber threats. They provide services including application-layer security, bot prevention, and DDoS mitigation. These solutions are essential for sectors where protecting sensitive data is critical, such as banking, healthcare, and e-commerce. WAF vendors serve a range of business demands by providing both on-premises and cloud-based solutions. Rapid technical changes define the industry, and businesses are always improving their products to meet new security threats.

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Best WAF Providers and Cybersecurity Innovators

Akamai Technologies, Inc.

Establishment: 1998

Headquarters: United States of America

Website: www.akamai.com

Revenue: $4.0B in 2023

Cloud services for delivering, optimizing, and safeguarding business apps and online content are offered by Akamai Technologies Inc. (Akamai). The business provides media distribution, carrier, mobile and online performance, and cloud security solutions. Akamai provides services to a variety of sectors, such as network operators, media, e-commerce, and the public sector. Adobe, Airbnb, Autodesk, Capital Group, Alibaba, Carnival Corp, The Coca-Cola Co, Comcast, eBay, Crate & Barrel, Electronic Arts, Fidelity Investments, Epic Games, FedEx, Honda, IKEA, Liberty Mutual, Japan Airlines, Lufthansa, and Maersk Transportation & Logistics are just a few of its prominent clients. Direct sales teams, channel partners, application service providers, system integrators, referral partners, and resellers are some of the ways the firm advertises its products. It operates in the Americas, Europe, Asia-Pacific, the Middle East, and Africa. The US city of Cambridge, Massachusetts, is home to Akamai's headquarters.

Cloudflare Inc

Establishment: 2009

Headquarters: United States of America

Website: www.cloudflare.com

Revenue: $1.7B in 2023

A provider of cloud services is Cloudflare Inc. (Cloudflare). The firm can fulfill a broad range of customer demands since it offers solutions such content delivery networks, domain name systems, load balancing, China networks, magic transit, bot management analytics, Cloudflare registrars, and Cloudflare applications. It also provides a software development kit and Argo smart routing. The business provides services to the government, non-profit, industrial, consumer and retail, healthcare, financial, and technological sectors. The company's operations are spread throughout Europe, the Middle East, Africa, Asia-Pacific, and the Americas. The US city of San Francisco, California, is home to Cloudflare's headquarters.

Qualys Inc

Establishment: 1999

Headquarters: United States of America

Website: www.qualys.com

Revenue: $607.6M in 2023

Cloud-based platform information security and compliance cloud solutions are offered by Qualys Inc. (Qualys). The cloud platform of the corporation provides cloud agents, public cloud integrations, private cloud platforms, and private cloud platform appliances. Asset inventory, CMDB Sync, virtual machine (VM), continuous monitoring, cloud agent platform, threat prevention, and security configuration evaluation are some of its cloud app offerings. In addition, Qualys provides security assessment questionnaires, policy compliance, PCI compliance, file integrity monitoring, online application scanning, and web application firewall. The business has operations in the United States, France, Germany, Italy, Japan, the Netherlands, Russia, the United Arab Emirates, and the United Kingdom. The US city of Foster City, California, is home to Qualys' headquarters.

F5 Inc

Establishment: 1996

Headquarters: United States of America

Website: www.f5.com

Revenue: $2.8B in 2023

Application delivery services are developed and offered by F5 Inc. (F5). It sells its solutions under the distributed cloud services F5, F5 NGINX, and BIG-IP. The business divides its solutions into a number of models, including software-as-a-service, subscription, usage-based consumption, software-packaged software in perpetual, and managed service deployment models. Financial services, education, manufacturing, government organizations, telecommunications, transportation, and technology are all served by F5. Value-added resellers (VARs), distributors, managed service providers (MSPs), and systems integrators are among the channel partners to which F5 offers its goods and services. The company's operations are dispersed throughout Asia-Pacific, the Middle East and Africa, Europe, and the Americas. The US city of Seattle, Washington, is home to F5.

Fortinet Inc

Establishment: 2005

Headquarters: United States of America

Website: www.fortinet.com

Revenue: $6.0B in 2023

Network security solutions and next-generation firewalls are offered by Fortinet Inc. (Fortinet). Data centers, enterprise networking, application delivery, network access, intensity and access management, threat intelligence and response, and application security technologies are all offered by the firm. The company's clientele includes government agencies, small and medium-sized enterprises, communication and security service providers, retail and operational technology market sectors, and financial services. It operates throughout the Asia-Pacific region, the Americas, Europe, the Middle East, and Africa. The US city of Sunnyvale, California, is home to Fortinet's headquarters.

Radware Ltd

Establishment: 1996

Headquarters: Israel

Website: www.radware.com

Revenue: $274.9M in 2023

Cloud, on-premises, and software-defined data center cybersecurity and application delivery solutions are offered by Radware Ltd. (Radware). The company's primary business operations involve the creation, production, and marketing of goods and services that provide network, application, and infrastructure security for safe online experiences. Cloud security services, data center and application security products, and application availability solutions are among its offerings. Radware sells its goods under the Alteon and DefensePro brand names. Enterprises, carriers, and cloud service providers from a variety of sectors use its products and services to guarantee the availability and security of vital applications. The business has operations throughout Asia-Pacific, Africa, the Middle East, Europe, and North America. Israel's Tel Aviv is home to Radware's headquarters.

NSFOCUS Technologies Group Co Ltd

Establishment: 2000

Headquarters: Santa Clara, California

Website: www.nsfocusglobal.com

With more than 20 years of demonstrated experience in the field, NSFOCUS is a well-known provider of internet and application security. We currently employ over 4,000 people across two headquarters in Beijing, China, and Santa Clara, California, USA, in addition to more than 50 locations throughout the globe. Four of the top five global financial institutions and four of the top 10 global telecoms are protected by NSFOCUS.

By operating in data centers across the globe, enabling enterprises to fully utilize the promise of cloud computing, offering unmatched and uncompromising protection and performance, and enabling our partners to deliver better security as a service in an intelligent and straightforward manner, NSFOCUS successfully integrates security into the internet backbone with its multi-tenant and distributed cloud security platform. With the help of the best threat intelligence in the business, NSFOCUS provides comprehensive, carrier-grade, hybrid DDoS and web security.

Microsoft Corporation

Establishment: 1975

Headquarters: United States of America

Website: www.microsoft.com/en-in

Revenue: $245.1B in 2023

Software products, services, and gadgets are developed and supplied by Microsoft Corp. (Microsoft). The company provides a wide range of products, including video games, desktop and server administration tools, software development tools, business solution applications, server applications, cross-device productivity apps, and training and certification services. In addition, it creates, produces, and markets hardware, including as PCs, tablets, gaming and entertainment consoles, and other smart gadgets. The business offers a wide range of services, such as consulting, cloud-based solutions, and solution support. Microsoft uses online marketplaces, Microsoft shops, distributors, resellers, original equipment manufacturers, and other partner channels to market, distribute, and sell its products. Among its major initiatives are Dynamics 365, LinkedIn, and Microsoft 365, all of which are intended to improve productivity and teamwork tools and services. The business runs data centers in Asia-Pacific, Europe, and the Americas. The US city of Redmond, Washington, is home to Microsoft's headquarters.