Best Web Application Firewalls (WAF) - Page 5

How Many Web Application Firewalls (WAF) Products Does G2 Track?

Total Products under this Category: 97

Category Stats (Sep 2026)

  • Average Rating: 4.45/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: F5 NGINX (+0.28%) - Among all products in this category, F5 NGINX recorded the largest rating increase compared to last month

Last updated: September 01, 2026

How Does G2 Rank Web Application Firewalls (WAF) Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 3,400+ Authentic Reviews
  • 97+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Web Application Firewalls (WAF)

G2 Grid® for Web Application Firewalls (WAF) plotting products by satisfaction and market presence

Highlighted products: Cloudflare Application Security and Performance, Radware Cloud WAF, Check Point WAF (formerly CloudGuard WAF), HAProxy, Fastly's Web Application and API Security, FortiAppSec Cloud, Fortinet Managed Rules for AWS WAF, and Azion.

Underlying data: [Grid® JSON](https://www.g2.com/categories/web-application-firewall-waf/grids.json?focus%5B%5D=cloudflare-application-security-and-performance&focus%5B%5D=radware-cloud-waf&focus%5B%5D=check-point-waf-formerly-cloudguard-waf&focus%5B%5D=haproxy&focus%5B%5D=fastly-s-web-application-and-api-security&focus%5B%5D=fortiappsec-cloud&focus%5B%5D=fortinet-managed-rules-for-aws-waf&focus%5B%5D=azion)

CyberShield WAF

Discover CyberShield, an AI-driven web security solution developed by Securas Technologies. This short video showcases the intuitive interface and key features of CyberShield, a Web Application Firewall (WAF) and Vulnerability Scanner designed to protect websites from modern cyber threats such as: SQL Injection and Cross-Site Scripting (XSS) attacks Malicious bots and suspicious visitors Data exposure and configuration vulnerabilities Real-time AI-based threat detection and blocking CyberShield centralizes website protection through a single, user-friendly dashboard — allowing users to monitor attacks, manage multiple domains, export reports, and adjust security policies with ease. 💡 Compatible with: WordPress, Drupal, PrestaShop 🔒 Product Type: Web Application Firewall (WAF) & Vulnerability Scanner ☁️ Technology: Cloud-Based SaaS 👥 Target Users: Web agencies, hosting providers, developers, and SMBs

Who Is the Company Behind CyberShield WAF?

  • Seller: Securas
  • Year Founded: 2020
  • HQ Location: Plaisir, FR
  • LinkedIn® Page: www.linkedin.com
    14 employees on LinkedIn®

Digital.ai Application Protection

Digital.ai Application Protection offers protection and management solutions for IoT, mobile, and other applications.

Who Is the Company Behind Digital.ai Application Protection?

  • Seller: Digital.ai
  • HQ Location: Raleigh, NC
  • Twitter: @digitaldotai
    819 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    945 employees on LinkedIn®

dotDefender

dotDefender is a web application security solution (a Web Application Firewall, or WAF) that offers strong, proactive security for websites and web applications. dotDefender can handle .NET Security issues.

Who Is the Company Behind dotDefender?

Edgenexus WAF

The Edgenexus Application Firewall is a virtual appliance that protects Web applications by controlling the conversation between the application and clients. It runs at the application layer and aims to fill the security gap that traditional firewalls fail to address. It can be download via the app store here and new rules can be downloaded here. Satisfy PCI-DSS and OWASP application firewall requirements. Using leading edge containerisation technology to isolate each application firewall instance. Fast and easy to deploy and configure. Cost effective

Who Is the Company Behind Edgenexus WAF?

  • Seller: Total Uptime
  • Year Founded: 2011
  • HQ Location: United States
  • Twitter: @totaluptime
    797 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    13 employees on LinkedIn®

Eyeriss

Eyeriss is an API gateway built from the ground up around security. Eyeriss has built-in conditional role-based access control, multiple authentication methods for both clients and backend services, and provides a plethora of metrics for API usage out of the box. It features a split architecture that is built for resiliency, speed, and horizontal scalability. With the defense-in-depth model, security teams and developers alike can be sure their API endpoints are strongly protected from any misuse. Eyeriss is intended to be easy to use for security engineers and developers alike, all while maintaining the capability to handle large traffic and request volumes to ensure availability to backend API services. The powerful WAF features of Eyeriss protects onboarded endpoints from a variety of attacks, greatly lowering the potential for outages and breaches. The on-prem and SaaS Enterprise offering of Eyeriss is ready for any production environment with many build-in integrations for connecting to alerting services, SEIMs, and many more tools to enhance both security teams and developers.

Who Is the Company Behind Eyeriss?

F5 NGINX App Protect

NGINX App Protect is a cloud-native, lightweight WAF and denial of service (DoS) protection for apps and APIs. NGINX App Protect integrates with NGINX Plus and NGINX Ingress Controller, allowing it to be deployed anywhere from the data center to a Kubernetes cluster.

Who Is the Company Behind F5 NGINX App Protect?

  • Seller: F5
  • HQ Location: Seattle, Washington
  • Twitter: @F5Networks
    1,385 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    6,247 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of F5 NGINX App Protect?

What Are G2 Users Discussing About F5 NGINX App Protect?

Haltdos Community WAF (Open-source WAF)

Haltdos brings you user friendly Web application firewall as free to access for all, in the form of Haltdos Community Edition (CE). The Community Edition provides 360 degrees of website security from OWASP 10 threats, XSS, SQL and other web-based threats. Haltdos WAF CE allows every website owner the capability to defend their applications against growing cyber attacks and ensure security of their data and customers.

Who Is the Company Behind Haltdos Community WAF (Open-source WAF)?

  • Seller: HaltDos
  • Year Founded: 2015
  • HQ Location: Noida, India
  • LinkedIn® Page: www.linkedin.com
    49 employees on LinkedIn®
  • Ownership: Anshul Saxena

IDO Edge

IDO Edge is an Enterprise Frontend Management suite built on Microsoft Azure. Most enterprise web teams manage frontend hosting, security, performance, and analytics through a patchwork of separate tools. IDO Edge replaces that with a single management layer for organisations running complex, multi-property web estates on Microsoft Azure. Five capabilities in one suite: enterprise frontend hosting with global edge delivery, a WAF that strengthens over time, real-user performance monitoring, a no-code analytics dashboard, and native mainland China delivery.

Who Is the Company Behind IDO Edge?

MeghOps Web Firewall

MeghOps Web Application Firewall (WAF) serves as a critical line of defense against a wide range of web-based threats, including SQL injection, cross-site scripting (XSS), cross-site request forgery (CSRF), and other common attack vectors. By inspecting incoming web traffic and filtering out malicious requests, a WAF helps prevent unauthorized access, data breaches, and service disruptions.

Who Is the Company Behind MeghOps Web Firewall?

  • Seller: MeghOps
  • Year Founded: 2022
  • HQ Location: Dhaka, BD
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Modshield SB

Modshield SB is a feature-rich, scalable and cost-effective application firewall, Modshield SB is designed to provide protection against all major attack vectors (OWASP Top 10 and more). It supports multiple domains and applications using a single instance with no additional license costs.

Who Is the Company Behind Modshield SB?

MonitorApp Web Application Firewall(WAF) AIWAF

MonitorApp's AIWAF (Application Insight Web Application Firewall is a comprehensive security solution designed to protect web applications and APIs from a wide range of cyber threats. By integrating advanced technologies, AIWAF addresses the limitations of traditional WAFs, offering robust defense mechanisms against evolving attack vectors. Key Features and Functionality: - Web Application Security: Effectively identifies and blocks major web attacks, including those listed in the OWASP Top 10, such as SQL Injection and Cross-Site Scripting (XSS. - API Security: Provides specialized protection for APIs, ensuring secure communication and data exchange between services. - Bot Management: Detects and mitigates malicious bot activities, preventing automated threats like credential stuffing and scraping. - DDoS Protection: Offers defense against Layer 7 Distributed Denial of Service (DDoS attacks, maintaining service availability during high-traffic events. - Machine Learning-Based Threat Detection: Utilizes machine learning algorithms to detect and respond to zero-day vulnerabilities and unknown threats, enhancing proactive security measures. - Flexible Deployment Options: Supports various configurations, including physical appliances, virtual appliances, and cloud-based platforms, ensuring adaptability to diverse IT environments. Primary Value and Problem Solved: AIWAF delivers a unified security solution that transcends the capabilities of conventional WAFs by integrating web application and API protection with advanced threat mitigation strategies. This holistic approach ensures that organizations can safeguard their digital assets against sophisticated cyber threats, including malicious bots, zero-day vulnerabilities, and DDoS attacks. By providing consistent security across on-premises, cloud, and hybrid environments, AIWAF enables businesses to maintain the integrity and availability of their web services, thereby supporting uninterrupted digital operations.

Who Is the Company Behind MonitorApp Web Application Firewall(WAF) AIWAF?

.ogo

OGO is a full cloud solution, without any installation. Based on Artificial Intelligence experienced engine and machine learning, OGO analyze the IP traffic

Who Is the Company Behind .ogo?

open-appsec

open-source machine learning-based WAF for Kubernetes Ingress, NGINX, Envoy, and API Gateways. open-appsec (openappsec.io) is an open-source initiative that builds on machine learning to provide pre-emptive web app & API threat protection against OWASP-Top-10 and zero-day attacks. It can be deployed as an add-on to Kubernetes Ingress, NGINX, Envoy and API Gateways. The open-appsec engine learns how users normally interact with your web application. It then uses this information to automatically detect requests that fall outside of normal operations and sends those requests for further analysis to decide whether the request is malicious or not. open-appsec uses two machine learning models: 1. A supervised model that was trained offline based on millions of requests, both malicious and benign. 2. An unsupervised model that is being built in real time in the protected environment. This model uses traffic patterns specific to the environment. open-oppsec simplifies maintenance as there is no threat signature upkeep and exception handling, as common in many WAF solutions.

Who Is the Company Behind open-appsec?

Polaris Infosec

Polaris Infosec's Web Application & API Protection platform leverages advanced Artificial Intelligence and Machine Learning technologies to proactively detect and prevent cyber threats targeting web applications and APIs. By analyzing web traffic patterns, the platform identifies and mitigates potential attacks such as Distributed Denial of Service , SQL Injection, and Zero-Day vulnerabilities before they can compromise business operations. Key Features and Functionality: - AI and ML-Powered Threat Detection: Utilizes sophisticated algorithms to monitor and analyze web traffic, enabling the early identification of malicious activities. - Comprehensive Threat Intelligence: Aggregates data from various cyber intelligence sources to provide a holistic view of potential threats, enhancing the platform's ability to predict and prevent attacks. - User-Friendly Dashboard: Offers an intuitive interface that allows users to easily access and interpret security information, with customizable security rules to tailor protection measures to specific needs. - Flexible Deployment Options: Supports straightforward setup by modifying domain name servers or CNAME records, facilitating immediate protection without complex configurations. Primary Value and Problem Solved: Polaris Infosec's WAAP platform addresses the critical need for robust, automated web application security in an era where cyber threats are increasingly sophisticated and pervasive. By integrating AI and ML, the platform not only enhances detection accuracy but also reduces false positives, ensuring that legitimate traffic is not disrupted. This proactive approach to cybersecurity enables businesses to safeguard their digital assets effectively, maintain operational continuity, and protect sensitive data from unauthorized access. The platform's ease of deployment and user-centric design make advanced web security accessible to organizations without extensive in-house cybersecurity expertise, thereby democratizing high-level protection for businesses of all sizes.

Who Is the Company Behind Polaris Infosec?

Lauren Worth
LW
Researched and written by Lauren Worth
Updated January 22, 2025