Top 11 Web Application Firewalls (WAF) SaaS Companies in May 2026
As of May 2026, there are 11 SaaS companies in Web Application Firewalls (WAF). They have combined revenues of $69.4M and employ 481 people. They have raised $59.7M and serve 20K customers combined.
A Web Application Firewall (WAF) is a specialized security tool designed to protect web applications by monitoring, filtering, and blocking malicious HTTP/S traffic. It acts as a barrier between web applications and the internet, safeguarding against various security threats such as SQL injection, cross-site scripting, and other vulnerabilities identified in the OWASP Top 10. WAFs are crucial for maintaining the integrity and availability of web applications, APIs, and mobile backends.
The primary use cases for WAFs include real-time traffic monitoring, threat detection, and response to security incidents. They typically offer features such as custom rule sets, automated threat intelligence updates, and activity logging to help organizations meet compliance requirements and maintain security best practices. Common users of WAFs include IT security teams, application developers, and compliance officers, all of whom seek to enhance the security posture of their web-based services.
Organizations often deploy WAFs as part of a broader cybersecurity strategy to ensure continuous protection against evolving threats while enabling secure digital interactions. WAF solutions may be integrated with other security tools, enhancing their effectiveness and providing a layered defense against cyber attacks.
Imunify360 is a security solution for web-hosting servers. Imunify360 goes beyond antivirus and WAF and is a combination of an Intrusion Prevention and Detection system, a Application Specific Web Application Firewall, Real-time Antivirus protection, a Network Firewall, and Patch Management components in one security suite. Imunify360 is a fully-automated solution and it collects all statistics under an intuitive dashboard.
Peakhour leverages the global power and scale of the cloud to enable businesses of any size to project the same presence, and deliver the same world-class customer experience as the world's largest companies, at a fraction of the cost of doing it in-house.
Founded in 2017, Peakhour is Australia’s leading Content Delivery Networking (CDN) provider, offering the only all-inclusive security, performance and availability service at any scale, with simple, traffic volume-based billing.
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Peakhour has become renowned for its customer service, providing personalised on-boarding and configuration guidance to optimise both our service and your website, ensuring that you get the best possible result from your investment. Our knowledgeable support team is available to provide assistance for any query at any time via phone, chat or email.
web application firewall, ddos, cloud waf,web security
Revenue
$21.7K
Customers
-
Year founded
2016
Funding
-
Team size
11
Growth
26.5%
Inclusion Criteria
- Must actively monitor and filter HTTP/S traffic to identify and block malicious activities.
- Should provide features to protect against OWASP Top 10 vulnerabilities and other common web application threats.
- Must offer customizable rule sets to adapt to specific organizational needs and threat landscapes.
- Should support logging and reporting functionalities for compliance and security auditing purposes.
- Not just a network firewall; must specifically address web application security requirements.
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