Best 10 Web Application Firewall Software in 2024

With our increasing reliance on the internet, blocking against potential threats have become ever so important. To combat these, Web Application Firewall (WAF) has been developed. WAFs serve as a shield between your web application and the internet, scrutinizing incoming traffic to block potential threats. With a multitude of options available, choosing the right WAF can be daunting. This article aims to guide you through the process, highlighting the best web application firewall solutions in 2024.

By
Roei Hazout
Published
Jun 20, 2024

Key Considerations for Selecting a WAF

Selecting the right web application firewall tools mean learning your specific needs and the features that various WAF services offer. Here are some critical factors to consider:

Consideration Details
Security Performance Evaluate the ability to detect and mitigate attacks like SQL injection and XSS.
Deployment Options Consider whether on-premises, cloud-based, or hybrid solutions suit your infrastructure best.
Ease of Use Look for solutions with intuitive interfaces and comprehensive documentation that align with your team's technical expertise.
Integration Capabilities Your WAF should integrate seamlessly with existing infrastructure, including CDNs and other security tools.
Performance Impact Ensure the WAF provides robust security without significantly impacting site speed or user experience.
Cost Evaluate the total cost of ownership, including setup, subscription, and additional feature costs. The most expensive option isn't always the best for your needs.
Support and Reliability Consider the vendor's reputation and the support options they offer, such as 24/7 support and community resources.
Scalability Choose a solution that can adapt to increasing traffic and evolving security threats as your business grows.
Compliance and Reporting Look for WAFs that offer comprehensive logging and reporting features to aid in compliance with industry standards and regulations.

Top WAF Software Solutions in 2024

Web Application Firewalls (WAFs) are designed to meet the diverse needs of modern businesses, from those requiring basic protection to those needing advanced, AI-driven security capabilities:

That said, here are the top Web Application Firewalls to go for in 2024:

1. Imperva WAF

Imperva WAF is designed to protect websites, applications, and APIs from a wide range of online threats, including SQL injection, cross-site scripting (XSS), and DDoS attacks. 

It uses advanced AI and machine learning technologies, and offers real-time threat detection and mitigation, ensuring security without compromising on performance. Its cloud-based architecture enables scalable protection making it a reliable shield for businesses of all sizes.

Imperva WAF enriches its offering with features aimed at enhancing compliance, data security, and user experience. It provides detailed analytics and reports that help in understanding traffic patterns and identifying potential vulnerabilities, alongside capabilities for custom security rules and policies tailored to the specific needs of each application

Main Offerings:

  • Web Application and API Protection: Robust security measures against a broad spectrum of web attacks and vulnerabilities.
  • DDoS Protection: Advanced defenses to mitigate Distributed Denial of Service (DDoS) attacks, ensuring website availability.
  • Bot Management: Sophisticated algorithms to distinguish between beneficial and malicious bot traffic, protecting against automated threats while allowing useful bots.
  • Compliance and Data Security: Tools and features that aid in complying with regulatory requirements like GDPR and PCI DSS, alongside encryption and data leakage prevention.
  • Advanced Threat Intelligence: Access to Imperva's cutting-edge research on cyber threats, providing preemptive protection against emerging vulnerabilities.

2. Cloudflare Web Application Firewall

Cloudflare Web Application Firewall is also designed with machine learning algorithms to offer enhanced security measures across multiple pricing tiers, making it accessible for businesses of all sizes. 

It provides robust protection against the top 10 vulnerabilities as identified by the Open Web Application Security Project (OWASP), which includes threats like SQL injection, cross-site scripting (XSS), and more. 

The use of machine learning not only improves the efficiency of threat detection but also ensures that the security measures evolve over time, keeping pace with the changing tactics of cyber attackers. 

Cloudflare's WAF is part of a huge suite of security services, offering added benefits such as DDoS protection and a content delivery network to enhance user experience.

Main Offerings:

  • Machine Learning-Enhanced Security: Improves threat detection over time.
  • Protection Against OWASP Top 10: Guards against common vulnerabilities.
  • Scalable Pricing Tiers: Accessible to businesses of varying sizes.
  • Comprehensive Suite of Services: Includes DDoS protection and CDN.

3. Akamai Kona Site Defender

Akamai Kona Site Defender employs machine learning to provide adaptive, cloud-agnostic security, ensuring that defenses evolve in real-time to counteract emerging threats. 

This intelligent system significantly reduces false positives, maintaining high availability and performance while protecting against sophisticated attacks. 

Its cloud-agnostic nature means it can protect applications regardless of where they are hosted, offering a flexible solution to businesses aiming to safeguard their online presence against an ever-changing threat landscape.

Main Offerings:

  • Machine Learning Security: Adapts to threats in real-time with minimal false positives.
  • Cloud-Agnostic: Offers protection across any hosting environment.
  • Automatic Threat Detection: Instantly recognizes and mitigates potential attacks.
  • Real-Time Protection: Ensures immediate response to security threats.

4. Reblaze WAF

Reblaze WAF (Web Application Firewall) is a fully integrated cloud-based platform offering protection for web applications, APIs, and mobile services against an array of cyber threats. 

It provides a robust Web Application Firewall (WAF), extensive DoS/DDoS protection, advanced bot management, and real-time traffic monitoring, all within a dedicated Virtual Private Cloud (VPC) for each customer. This architecture eliminates multi-tenancy vulnerabilities and offers customizable, fine-grained access control and real-time traffic regulation through an intuitive web management console.

The platform also does a fine job deploying as a reverse proxy with minimal latency, directly in front of the protected network. Reblaze's cloud-native deployment allows for automatic scaling of bandwidth and compute resources as needed, backed by remote management capabilities that minimize the need for on-site staff expertise and intervention. 

Main Offerings:

  • Web Application Firewall (WAF): Next-generation protection against a wide array of web threats.
  • DoS/DDoS Protection: Comprehensive autoscaling defenses to ensure continuous website availability.
  • Advanced Bot Management: Sophisticated bot differentiation and handling to protect against automated threats.
  • Real-time Traffic Monitoring and Control: In-depth visibility and management of web traffic through a user-friendly console.
  • Full Historical Logs & Analytics: Detailed insights into traffic patterns, security incidents, and operational performance.
  • Cloud-native Deployment: Flexible, scalable security solutions integrated with AWS, Azure, and GCP, offering minimal latency and enhanced performance.

5. Fastly WAF

Fastly Web Application Firewall (WAF) is a sophisticated security service designed to protect websites from various online threats and vulnerabilities. 

It leverages the power of edge computing to deliver real-time threat detection and mitigation, ensuring that harmful traffic is stopped before it reaches the user's infrastructure. 

Fastly’s WAF is suitable for businesses of all sizes, providing enterprise-level security to protect against a wide range of web application threats. Here's an overview of its main offerings:

Main Offerings:

  • Real-Time Threat Detection: Analyzes and filters traffic at the edge of the network, offering immediate response to potential security threats.
  • Customizable Security Rules: Users can tailor security settings to meet specific needs, allowing for a flexible approach to threat prevention.
  • Easy Integration: The WAF seamlessly integrates with existing Fastly services, providing a holistic security solution without complex configuration.
  • Detailed Analytics: Provides comprehensive logs and analytics, enabling users to monitor the effectiveness of their security measures and make informed adjustments.
  • Scalable Protection: Scales to accommodate any amount of traffic, ensuring reliable protection at all times.

6. Prophaze Web Application Firewall

Prophaze’s Web Application Firewall services puts artificial intelligence (AI) at its core to significantly enhance its detection capabilities and reduce false positives, a common challenge in the cybersecurity domain.

 This AI-driven approach allows for a more nuanced understanding of web traffic, distinguishing between legitimate users and potential threats with greater accuracy. 

Prophaze promises rapid onboarding for its users, ensuring that businesses can quickly secure their web applications from a variety of threats including sophisticated bot attacks and Distributed Denial of Service (DDoS) assaults. 

Main Offerings:

  • AI-Driven Detection: Enhances accuracy in identifying threats.
  • Rapid Onboarding: Ensures quick setup and deployment.
  • Comprehensive Bot/DDoS Protection: Robust defenses against automated and volumetric attacks.
  • Reduction of False Positives: AI helps in distinguishing legitimate traffic from potential threats.

7. F5 Advanced WAF

F5 Advanced WAF uses a proactive security posture against a wide spectrum of web application threats, without necessitating changes to the applications themselves. It employs a combination of security models to offer a robust defense mechanism that can adapt to the unique needs of each application. 

Compatible with a range of F5 platforms, it facilitates a flexible deployment that can cater to various environments, whether on-premises, in the cloud, or hybrid setups. 

F5 Advanced WAF's ability to prevent attacks including XSS, SQL injection, and session hijacking, among others, makes it a comprehensive solution for organizations aiming to secure their applications from both known and emerging threats.

Main Offerings:

  • Broad Attack Prevention: Protects against numerous threat vectors.
  • No Required App Changes: Secures applications as they are.
  • Compatibility with F5 Platforms: Supports diverse deployment environments.
  • Combination of Security Models: Employs both positive and negative security models for thorough protection.

8. AWS WAF

AWS WAF provides a powerful shield against common web exploits, such as SQL injection and cross-site scripting (XSS), while also offering the flexibility to create custom security rules tailored to specific needs. 

This capability allows for a highly personalized defense mechanism against both good and bad bots, enhancing the security of web applications without hindering legitimate traffic. 

AWS WAF's integration into the broader Amazon Web Services ecosystem means it can be seamlessly deployed across various AWS services, making it a versatile and effective tool for protecting web applications from a multitude of threats.

Main Offerings:

  • Common Threat Blocks: Defends against SQL injection, XSS, and more.
  • Custom Security Rules: Allows for tailored protection strategies.
  • Bot Management: Efficiently distinguishes between harmful and beneficial bots.
  • Integration with AWS: Seamlessly works with other AWS services for comprehensive protection.

9. Sophos XG Firewall

Sophos XG Firewall integrates advanced firewall capabilities with endpoint protection, streamlining the security management process through a synchronized approach. 

This integration not only simplifies the administrative burden associated with managing separate solutions but also enhances security by allowing the firewall and endpoint solutions to share intelligence, thereby improving the overall detection and response times to threats. 

Known for its user-friendly interface, Sophos XG Firewall facilitates ease of management, making it accessible for organizations of all sizes seeking to implement a robust security posture.

Main Offerings:

  • Integrated Firewall and Endpoint Protection: Enhances security through synchronized intelligence sharing.
  • Ease of Management: User-friendly interface simplifies administration.
  • Advanced Threat Prevention: Offers comprehensive defense against complex threats.
  • Synchronized Security Approach: Streamlines threat detection and response.

10. Check Point Quantum WAF

Check Point Quantum WAF hard-focuses on protection against the OWASP Top 10 threats, zero-day vulnerabilities, and employing AI to boost the effectiveness of its security measures. 

This enables businesses to defend their web applications against the most critical and current threats with confidence. 

The utilization of AI not only enhances threat detection capabilities but also ensures that the system continuously learns and improves over time, maintaining a strong defense against sophisticated cyber attacks.

Main Offerings:

  • Protection Against OWASP Top 10: Shields web applications from the most common vulnerabilities.
  • Zero-Day Vulnerability Defense: Proactively protects against newly discovered threats.
  • AI-Enhanced Security: Utilizes artificial intelligence to improve detection and response.

WAF Over Multi-CDN

Using a Multi-CDN strategy, which involves using multiple Content Delivery Networks (CDNs), is becoming an increasingly popular approach to enhance website performance and reliability. However, securing these diverse environments requires a specialized solution: WAF over Multi-CDN. 

This strategy guarantees that web application security is maintained across different CDNs, offering uniform protection against cyber threats regardless of the CDN in use.

On that note, I/O River is currently the sole provider of consistent WAF. This technology maintains consistency even when the traffic is being split across multiple CDN vendors. 

Feature Description
Consistent Security Posture Ensures uniform security policies across multiple CDNs, safeguarding web applications from exploitation.
Enhanced Performance and Reliability Optimizes performance and uptime without compromising security, by distributing content across networks and integrating WAF solutions.
Flexibility and Scalability Offers flexibility to scale security with CDN usage, which is necessary for handling traffic spikes and geographic expansion.
Centralized Management Simplifies security management across multiple CDNs with a centralized platform, reducing errors.
Cost Efficiency A unified WAF solution over Multi-CDN is more economical, minimizing the need for separate security investments.
Improved DDoS Protection Enhances DDoS mitigation by distributing the load across multiple CDNs, leveraging their combined protection capabilities.
Compliance and Data Privacy Helps maintain compliance and protect sensitive data across jurisdictions by applying consistent security policies.

Conclusion

To sum it all up, WAF is the invisible shield that protects your online signature against threats. However, the technology is constantly evolving, and every competitor is in an arm’s race to deliver the best web application firewalls possible, be it through AI, Edge WAFs, or simply a multi-CDN-wide WAF deployment!