Best Web-Based Web Application Firewalls (WAF) of 2025 - Page 2

The Modshield SB Web Application Firewall (WAF), which utilizes Modsecurity and the OWASP Core Ruleset, is specifically designed to address all your application security requirements. It offers a comprehensive suite of security features ensuring complete protection for your applications and hosting environments. With the support of the OWASP Core Ruleset, Modshield SB delivers exceptional defense against the top ten OWASP threat vectors, including automated protections and safeguards against credential stuffing attacks. Choosing the Modshield SB Web Application Firewall means you can reliably ensure the confidentiality, integrity, and availability of your business applications for your users. Establishing a robust first line of defense for your applications has never been easier or more effective. Thanks to the integrated OWASP Core Ruleset, all your applications are automatically shielded from the most critical OWASP threats. Furthermore, there's no need for a separate Load Balancer, as you can utilize the built-in load balancing capabilities that Modshield SB provides, streamlining your infrastructure while enhancing security.

BaishanCloud delivers a dependable and streamlined CDN service, showcasing its regional knowledge particularly in areas such as China, Southeast Asia, and the Middle East. With over 1000 Points of Presence (PoPs) across the globe, it enables users to connect effectively, all while ensuring robust anti-DDoS and WAF protection alongside private network options. This level of reliability has earned BaishanCloud the trust of leading short media platforms that boast over 10 million users, thanks to its exceptional availability, ability to handle high concurrency, and low-latency content delivery solutions. By leveraging edge computing alongside extensive experience in the media sector, BaishanCloud effectively reduces security risks across platforms, assuring that major events run smoothly and video deliveries are uninterrupted. The company also provides customizable solutions and specialized features that cater to the unique requirements of its customers. To experience the service, potential users can opt for BaishanCloud’s free trial or design a personalized plan starting at just $0.065 per GB for the first 4TB of global traffic, making it a cost-effective choice for businesses of all sizes. This flexibility and commitment to customer satisfaction sets BaishanCloud apart in the competitive CDN landscape.

StormWall is a global leader in cybersecurity, specializing in protecting websites, networks, and IT infrastructures of any scale from modern DDoS threats. With over 12 years of expertise, we safeguard 1,000+ active clients across 70 countries, successfully completing more than 8,000 projects. Our robust global filtering network includes 8 scrubbing centers with a combined capacity exceeding 5 Tbps, ensuring powerful mitigation against all known DDoS attack vectors from L3 to L7. The Enterprise plan also features an Antibot solution to shield critical web applications from bot-driven threats. StormWall leverages cutting-edge AI-powered threat detection, using advanced anomaly analysis to swiftly identify and neutralize even the most complex multi-vector attacks. Our continuously evolving cloud-based platform keeps businesses ahead of emerging threats with best-in-class protection. With StormWall, clients only pay for legitimate traffic, eliminating unnecessary costs from attacks. Our expert support team is available 24/7, guaranteeing response times of 15 minutes or less for rapid issue resolution.

Myra Security is a premier provider of cloud-based application and network security solutions, offering comprehensive protection against today’s evolving cyber threats. Emphasizing reliability, high performance, and strict compliance, Myra delivers security services that are both robust and easy to deploy within existing IT environments. At the heart of Myra’s offering is its application security portfolio, which includes DDoS Protection, Web Application Firewall (WAF), Content Delivery Network (CDN), and Bot Management. Beyond application security, Myra offers network security solutions that protect critical infrastructure, corporate networks, and digital assets from increasing cyber risks. Their network-level safeguards ensure secure, stable, and compliant data flows, making them especially suitable for highly regulated industries such as finance, healthcare, and government.

The Azure Web Application Firewall is a cloud-based solution designed to safeguard web applications against prevalent hacking methods, including SQL injection and cross-site scripting vulnerabilities. You can set up this service in minutes, enabling you to gain full visibility into your environment while effectively blocking malicious attacks. With the latest managed and preconfigured rule sets, you can protect your web applications quickly and efficiently. The detection engine of Azure Web Application Firewall, coupled with continuously updated rule sets, enhances security measures, minimizes false positives, and optimizes performance. Additionally, Azure Policy can be utilized to enforce organizational standards and assess compliance across Web Application Firewall resources on a large scale. By utilizing these tools, you can achieve a comprehensive overview of your environment's security posture. Ultimately, this proactive approach helps ensure your web applications remain secure and resilient against evolving threats.

WEDOS Protection offers a comprehensive security platform that combines advanced DDoS mitigation, CDN acceleration, and smart traffic filtering to safeguard websites against a wide range of cyber threats. It defends against large-scale volumetric attacks as well as sophisticated application-layer exploits like botnets and L7 attacks. Utilizing a global network of edge servers, the WEDOS Global infrastructure monitors and manages traffic in real time for optimal security and performance. Key features include DNS protection, a Web Application Firewall (WAF), HTTPS proxy, smart caching, and multiple anti-bot filters, all integrated to create a strong, multi-layered defense system. The solution is designed for easy deployment without requiring any changes to website code. It ensures high availability and low latency, even when under attack. WEDOS Protection is suitable for high-traffic websites, e-commerce projects, agencies, IT administrators, and hosting providers. This platform balances strong security with improved website speed and reliability.

High-performance advanced load balancing solution that enables your applications to be highly available, accelerated, and secure. Ensure efficient and reliable application delivery across multiple datacenters and cloud. Minimize latency and downtime, and enhance end-user experience. Complete full-proxy Layer 4 load balancer and Layer 7 load balancer with flexible aFleX® scripting and customizable server health checks. Increase application security with advanced SSL/TLS offload, single sign-on (SSO), DDoS protection and Web Application Firewall (WAF) capabilities.

Alert Logic is the only managed detection and response (MDR) provider that delivers comprehensive coverage for public clouds, SaaS, on-premises, and hybrid environments. Our cloud-native technology and white-glove team of security experts protect your organization 24/7 and ensure you have the most effective response to resolve whatever threats may come.

The R&S® Web Application Firewall (WAF), when paired with a network firewall, greatly enhances your organization's security posture. This combination ensures that your IT infrastructure meets contemporary standards for resilience and protection. Drawing on decades of expertise and development, our web application firewall effectively shields the corporate network from common threats, including zero-day vulnerabilities, SQL injection attacks, cross-site scripting, and Distributed Denial of Service (DDoS) incidents at the application level. It provides robust safeguards for essential enterprise applications, encompassing both legacy systems and tailored APIs, while adhering to data protection laws. As businesses increasingly depend on web-based solutions, the significance of web applications within organizations continues to rise, leading to a growing exploitation of their weaknesses by cybercriminals. Consequently, implementing a comprehensive security strategy is vital to combat these evolving threats.

The complexity of application security is on the rise, but Barracuda simplifies it. The Barracuda Web Application Firewall is a key component of the Barracuda Cloud Application Protection platform, which integrates a wide array of complementary solutions and features aimed at providing thorough application security. This firewall shields applications, APIs, and mobile app backends from numerous threats, including the OWASP Top 10 vulnerabilities, zero-day exploits, data breaches, and application-layer denial of service (DoS) attacks. With a blend of signature-based policies, positive security measures, and advanced anomaly detection, the Barracuda Web Application Firewall effectively counters even the most intricate attacks targeting web applications today. Additionally, the Barracuda Active DDoS Prevention service, available as an enhancement to the Web Application Firewall, proactively filters out volumetric DDoS attacks before they can impact your network and compromise your applications. This multi-layered approach not only fortifies security but also enhances the overall resilience of your digital infrastructure.

Real-Time Monitoring: Our system continuously scans your web assets for any suspicious activity. We monitor incoming traffic, detect anomalies, and respond swiftly to potential threats. Advanced Threat Detection: ThreatSign employs cutting-edge algorithms to identify various cyber threats, including SQL injection attacks, cross-site scripting (XSS), and more. Our intelligent system learns from patterns and adapts to new threats. Incident Response: In the event of an attack, our team of experts jumps into action. We analyze the situation, mitigate the impact, and restore normalcy. You can rest assured that your business is in capable hands. Customized Solutions: We understand that every business has unique security needs. Our services are tailored to fit your specific requirements. Whether you’re a small e-commerce site or a large enterprise, we’ve got you covered. 24/7 Support: Need assistance? Our support team is available round-the-clock. Reach out to us anytime, and we’ll address your concerns promptly.

WAPPLES SA (software appliances) is a virtual web app firewall (WAF), that can be seamlessly integrated into cloud systems and other virtual environments. It is ideal for enterprises such as hosting providers and data centers, as well as SMBs such managed security service providers or private cloud business infrastructures. WAPPLES SA supports popular hypervisors such as XenServer and KVM.

Reblaze is a cloud-native, fully managed security platform for websites and web applications. Reblaze’s all-in-one solution supports flexible deployment options (cloud, multi-cloud, hybrid, DC), deployed in minutes and includes state-of-the-art Bot Management, API Security, next-gen WAF, DDoS protection, advanced rate limiting, session profiling, and more. Unprecedented real time traffic visibility as well as highly granular policies enables full control of your web traffic.

Comprehensive Safeguarding for Applications and Container Workloads. Immediate Protection Against Zero Day Attacks. The K2 Security Platform excels in identifying increasingly complex threats aimed at applications, often overlooked by traditional network and endpoint security systems such as web application firewalls (WAF) and endpoint detection and response (EDR). K2 offers a user-friendly, non-invasive agent that can be set up in just a few minutes. By employing a deterministic method known as optimized control flow integrity (OCFI), the K2 Platform constructs a runtime DNA map of each application, which is essential for verifying that the application is functioning correctly. This innovative approach leads to highly precise attack detection, significantly reducing false positives. Additionally, the K2 Platform is versatile, capable of being utilized in cloud, on-premise, or hybrid environments, and it effectively safeguards web applications, container workloads, and Kubernetes. Its coverage extends to the OWASP Top 10 and addresses various types of sophisticated attacks, ensuring comprehensive protection for modern digital infrastructures. This multilayered defense strategy not only enhances security but also fosters trust in application reliability.

Impress your users with applications that are not only faster and more dependable but also maintain high standards of performance and security. Ivanti vADC transcends the typical software load balancer by managing a greater volume of transactions, even during peak times, while ensuring consistent uptime and real-time monitoring of application traffic for security purposes. By improving customer experience with more appealing and responsive services, you can also drive business growth. Furthermore, you can enhance system efficiency and elevate the throughput of application servers and security by as much as 50%. Cost-effectiveness is achieved through flexible capacity-based licensing options. Specifically designed for virtualization and cloud portability, Ivanti vADC offers unmatched scalability and adaptability, boosting application performance and security across a diverse array of environments, including physical and virtual data centers, as well as public and hybrid clouds. Ultimately, this solution equips businesses to thrive in an increasingly digital landscape.

Create a reliable and scalable gateway for the swift deployment of your applications worldwide. Seamlessly integrate your dispersed microservices into a unified global application through the use of HTTP load balancing and path-based routing configurations. Streamline the process of launching new regions and scaling operations with API-driven global actions, while ensuring independent fault tolerance for your backend microservices, whether they reside in Azure or elsewhere. Deliver and safeguard your global application near your end users with a robust service supported by Microsoft’s esteemed Global Network infrastructure. Consistently optimize your traffic flow to ensure the most efficient route to your application, enhance service capacity, minimize latency, and boost throughput for users around the globe utilizing edge load balancing and application acceleration techniques. Furthermore, effortlessly oversee domain mapping and manage traffic to your microservice backends through a singular, centralized global dashboard, allowing for greater control and visibility over your distributed architecture. This streamlined approach not only improves performance but also enhances the overall user experience across various regions.

DDoS-GUARD has been a leader in the DDoS protection and content delivery market since 2011. We offer services using our own network, which includes scrubbing centers with sufficient computing and channel capacity to process large volumes of traffic. This is a departure from most other companies. We don't resell services from other companies and claim them as our own. Cyber threats are increasing in today's digital world. The number of DDoS attacks is also increasing in line with the latest trends. The attacks become more complex, volumetric, and diverse. We are constantly changing traffic scrubbing algorithms, increasing channel capacities, and adding computational resources to traffic processing centres. This allows us to not only protect our customers from all known DDoS attacks but also detect and block any anomalous network activity that was previously unknown.

Safeguarding websites, the system operates in front of web application servers, establishing firewalls to thwart incoming threats. Ensure Your Website's Security. Available 24/7, it defends against various attack vectors such as SQL Injection, XSS, File Upload, JS Injection, Tamper Data, and more. With instant reporting and straightforward management, users can easily navigate the BEKCHY Panel from their computer, tablet, or smartphone to monitor the status of their website. It secures all input fields—including login, password recovery, and coupon codes—through its Smart Brute Force protection. Additionally, it guards against single-use emails, blacklisted IP addresses, fraudulent redirects, and all forms of deceit. Utilizing 67 distinct antivirus solutions, Bekchy identifies malicious code that may have been injected into the site. This comprehensive protection also guards against any attempts to mislead visitors and search engine crawlers. Thanks to its user-friendly design, accessing the BEKCHY Panel is seamless across various devices, ensuring that users remain informed and in control of their website's security.

Qualys Web Application Firewall (WAF) is a service based on virtual appliances designed to streamline application security while minimizing operational costs and complexity. Utilizing a cohesive platform, it consistently identifies threats using proprietary inspection logic and rulesets, and can provide virtual patches for web application vulnerabilities as necessary. Its straightforward, scalable, and flexible methodology enables rapid blocking of web application attacks, safeguarding sensitive information from exposure, and regulating access to your applications. Qualys WAF can function independently or in conjunction with Qualys Web Application Scanning (WAS), which enhances the process of discovering and addressing web application vulnerabilities efficiently, regardless of whether you manage a few applications or many. By employing Qualys WAS for scanning and enabling one-click virtual patches for any identified vulnerabilities in the WAF, users can oversee everything from a centralized cloud portal, ensuring seamless management. Moreover, the deployment of Qualys WAF can be completed in just minutes, and it offers support for SSL/TLS, further enhancing its security capabilities. This combination of features makes it a robust solution for protecting web applications in today’s ever-evolving threat landscape.

Sangfor Athena NGFW is an advanced next-generation firewall designed to deliver robust, AI-driven security across network perimeters. Utilizing cloud-based AI malware inspection, it blocks over 99% of threats, combining network and web application firewalls in a single, unified device. The built-in SOC Lite module enables swift threat detection and incident response, enhancing organizational cybersecurity posture. Athena NGFW integrates seamlessly with a broader security ecosystem including endpoint protection (EPP), secure web gateways (SWG), and extended detection and response (XDR and MDR) platforms. The firewall has earned top industry accolades, such as AAA ratings in CyberRatings tests and recognition in Gartner’s Magic Quadrant. It provides cost-effective, scalable protection ideal for enterprise environments facing evolving cyber threats. Sangfor’s collaboration with global threat intelligence platforms keeps its defenses up to date against emerging vulnerabilities. This solution empowers organizations to maintain secure, high-performing networks with comprehensive visibility and control.

Attacks on web applications can hinder vital transactions and compromise sensitive information. The Imperva Web Application Firewall (WAF) meticulously evaluates traffic directed at your applications to thwart these threats and maintain seamless business operations. When faced with a disruptive WAF, organizations often find themselves torn between blocking genuine traffic or having to manually manage the attacks that slip through. To combat this challenge, Imperva Research Labs works diligently to enhance the precision of the WAF in light of evolving threats. With features like automatic policy generation and swift rule updates, security teams are empowered to safely utilize third-party code while aligning with the fast-paced demands of DevOps. Serving as a crucial element of a robust Web Application and API Protection (WAAP) framework, Imperva WAF safeguards all layers of your infrastructure, ensuring that only desired traffic reaches your applications. Our solution stands out in the industry by offering the most effective website protection available—compliant with PCI standards, automated security features that incorporate comprehensive analytics, and enhanced defenses that transcend the OWASP Top 10, ultimately minimizing risks associated with third-party integrations. Thus, your organization can confidently navigate the digital landscape without compromising security.

A Web Application Firewall (WAF) is essential for maintaining the security of your web applications. Utilizing Huawei's advanced machine learning capabilities, the WAF effectively discerns harmful traffic and mitigates potential attacks, thus enhancing the overall security architecture of your network. Users have the flexibility to set a variety of rules designed to identify and combat threats, which is crucial for protecting web applications. Additionally, you can anonymize sensitive information while also selecting the minimum TLS version and cipher suite to further secure your applications. With WAF, you are well-equipped to guard against emerging zero-day vulnerabilities. Around-the-clock surveillance is offered by dedicated security teams to ensure continuous protection. Furthermore, WAF adheres to PCI DSS standards, allowing you to pursue and achieve PCI DSS certification as part of your security framework. You can customize WAF to recognize and thwart malicious code injected into your web servers, promoting safe browsing experiences. With its robust capabilities, WAF stands as a critical component in your comprehensive cybersecurity strategy, providing peace of mind in an increasingly vulnerable digital landscape.

Greypanel CDN is a sophisticated dispatching system that has been independently researched and developed to effectively allocate acceleration nodes situated globally, based on the geographical location of users. By directing users to the closest available resources, Greypanel CDN enhances the capacity of web services, elevates the quality of network access, increases download speeds, and minimizes response times, resulting in a more seamless user experience. Aimed primarily at portals and e-commerce platforms, Greypanel CDN stores static content—including web pages, HTML, CSS, JS, images, and files—on the nodes to expedite the distribution process. This setup allows visitors to retrieve content from the closest node, enabling the rapid loading of complex data within seconds, which greatly boosts web access speeds and lessens site response times, ultimately leading to an improved experience for users. Additionally, users can take advantage of a fast, reliable, and secure dynamic request acceleration through our vast network of acceleration nodes, complemented by an ample pool of direct connections and an intelligent scheduling mechanism that optimizes performance. This comprehensive approach ensures that users benefit from an efficient and high-performing web experience.

open-appsec 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 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, like common in many WAF solutions.

The Fastly Next-Gen WAF delivers robust protection for applications, APIs, and microservices, irrespective of their location, all through a cohesive solution. It features comprehensive reporting and alerting mechanisms that enhance Layer 7 visibility across your entire application and API landscape. By integrating seamlessly with your DevOps and security toolchains, it facilitates data sharing and correlation, which simplifies automation processes, thereby reducing security vulnerabilities and accelerating CI/CD workflows. Employing SmartParse, a highly precise detection technique, the system assesses the context of each request to identify potential malicious or unusual payloads effectively. This innovative method allows for minimal tuning requirements and enables immediate threat detection. Additionally, it safeguards against account takeover (ATO) incidents by scrutinizing web requests and linking unusual behavior with potential malicious actions, ensuring a higher level of security for your digital assets. This proactive approach not only enhances security but also instills confidence in your overall application resilience.