The closest ModSecurity alternatives are Cloudflare WAF, Radware Cloud WAF Service and Array ASF Series Web Application Firewall. Picking a ModSecurity alternative comes down to fit: Cloud Web Application and API Protection coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it.
45 alternativesClosest matches: Cloudflare WAF, Radware Cloud WAF Service, Array ASF Series Web Application FirewallPage updated Nov 2026
The product
ModSecurity is an open-source web application firewall that provides a flexible and scalable way to monitor and control HTTP traffic.
ModSecurity is a free Cloud Web Application and API Protection solution. The closest matches by shared tags and NIST CSF 2.0 coverage are Cloudflare WAF, Radware Cloud WAF Service, Array ASF Series Web Application Firewall, DBAppSecurity DAS Web Application Firewall, and Imperva Application Security. All 45 alternatives on this page are ranked the same way.
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VisitThese 8 solutions overlap most with ModSecurity. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.
A cloud-based web application firewall that protects applications from various cyber threats through rule-based filtering, machine learning detection, and integrated security features.
Key features: 10 listed. See them on the Cloudflare WAF page.
View Cloudflare WAFCloudflare WAF alternativesModSecurity vs Cloudflare WAF
A cloud-based web application firewall that protects applications from various cyber threats through rule-based filtering, machine learning detection, and integrated security features.
A cloud-based web application firewall service that combines traditional WAF capabilities with AI-driven behavioral analysis to protect web applications across hybrid and cloud environments.
WAF protecting web apps from OWASP Top 10, DDoS, and zero-day attacks
WAF protecting websites and web apps from OWASP Top 10 and zero-day attacks
Platform protecting web apps and APIs from attacks, bots, and DDoS threats
Web app and API protection with WAF, DDoS mitigation, and bot defense
Cloud-based web app & API protection with WAF, DDoS mitigation & bot mgmt
Website security suite with DDoS, WAF, malware scanning & bot protection.
AI-powered WAAP platform with WAF, API security, DDoS, and bot mgmt.
WAF protecting web apps and APIs from zero-day attacks and cyber threats
WAAP solution protecting web apps and APIs from threats across environments
Cloud-based WAF protecting web apps from threats with AI-powered analysis
Web security & traffic filtering platform for hosting providers
AI-powered WAF with 15+ attack vectors and sub-50ms real-time decisions.
AWS Web Application Firewall (WAF) for protecting web applications from common exploits.
WAF solution with API security, bot management, and DDoS protection
AI-powered WAAP platform with ASM, vuln scanning, WAF, API protection & DDoS
SaaS-based WAF for protecting web apps across multi-cloud, on-prem & edge
WAF and L7 DoS protection for modern apps and APIs in DevOps environments
Cloud-based WAF providing web app, API, and bot protection for cloud services
A legacy web application security and performance optimization solution that combines security controls with performance enhancement features.
WAF protecting web apps and APIs from OWASP Top 10, bots, and DDoS attacks
Website security platform with WAF, CDN, malware scanning, and backup
Autonomous vulnerability remediation via virtual patching for web apps and APIs
Alibaba Cloud's fully managed WAAP solution for web, API, and bot protection.
WAF protecting web apps and APIs from OWASP Top 10 and other threats
WAF protecting apps and APIs from attacks, bots, and OWASP Top 10 threats
Application delivery controller with load balancing, WAF, and traffic mgmt.
Cloud-based WAAP platform with DDoS mitigation, WAF, bot protection, and API sec
Web Application and API Protection (WAAP) platform with WAF and DDoS defense
Agent-based runtime firewall for web apps and APIs with AI-driven rules
Website security platform with malware scanning, WAF, CDN, and DDoS protection
Cloud-native WAAP platform with WAF, API security, DDoS, and bot mgmt.
Adaptive edge security layer that enhances existing WAFs without replacement.
WAAP with sidecar agent; no proxy, no SSL key exposure, sub-1ms decisions.
Web app and API protection platform with WAF, bot, DDoS, and API security
WAF protecting web applications from cyber attacks
A cloud-based web application firewall service that protects web applications from malicious traffic through threat intelligence, access controls, and bot management capabilities.
Platform for app delivery, security, API protection, and WAF across environments
Managed WAF providing web app protection against DDoS, bots, and vulnerabilities
Blocks web attacks, API attacks, bots, account takeover and L7 DDoS from one engine
Web app, mobile app, and API protection with bot and DDoS mitigation
Cloud-based web & browser transaction protection with malware detection
Cloud-based security platform for DDoS mitigation and web app protection
Runtime protection for web apps and APIs against attacks and threats
Common questions when weighing alternatives to ModSecurity.
The closest matches to ModSecurity by shared tags and NIST CSF 2.0 coverage are Cloudflare WAF, Radware Cloud WAF Service, Array ASF Series Web Application Firewall, DBAppSecurity DAS Web Application Firewall, and Imperva Application Security. All of them are Cloud Web Application and API Protection products.
This page shows 45 alternatives to ModSecurity, all in the Cloud Web Application and API Protection category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.
ModSecurity is a free Cloud Web Application and API Protection product. You can use it at no cost. Only commercial alternatives are listed here. Free and open source products are under /free.
ModSecurity is a Cloud Web Application and API Protection product in the Application Security category. You can compare it with the 45 other Cloud Web Application and API Protection products on this page.
A cloud-based web application firewall service that combines traditional WAF capabilities with AI-driven behavioral analysis to protect web applications across hybrid and cloud environments.
Key features: 10 listed. See them on the Radware Cloud WAF Service page.
View Radware Cloud WAF ServiceRadware Cloud WAF Service alternativesModSecurity vs Radware Cloud WAF Service
WAF protecting web apps from OWASP Top 10, DDoS, and zero-day attacks
Key features: 10 listed. See them on the Array ASF Series Web Application Firewall page.
View Array ASF Series Web Application FirewallArray ASF Series Web Application Firewall alternativesModSecurity vs Array ASF Series Web Application Firewall
WAF protecting websites and web apps from OWASP Top 10 and zero-day attacks
Key features: 10 listed. See them on the DBAppSecurity DAS Web Application Firewall page.
View DBAppSecurity DAS Web Application FirewallDBAppSecurity DAS Web Application Firewall alternativesModSecurity vs DBAppSecurity DAS Web Application Firewall
Platform protecting web apps and APIs from attacks, bots, and DDoS threats
Key features: 10 listed. See them on the Imperva Application Security page.
View Imperva Application SecurityImperva Application Security alternativesModSecurity vs Imperva Application Security
Web app and API protection with WAF, DDoS mitigation, and bot defense
Key features: 10 listed. See them on the Baffin Bay Application Security page.
View Baffin Bay Application SecurityBaffin Bay Application Security alternativesModSecurity vs Baffin Bay Application Security
Cloud-based web app & API protection with WAF, DDoS mitigation & bot mgmt
Key features: 10 listed. See them on the Myra Application Security page.
View Myra Application SecurityMyra Application Security alternativesModSecurity vs Myra Application Security
Website security suite with DDoS, WAF, malware scanning & bot protection.
Key features: 10 listed. See them on the Astra DDoS Protection page.
View Astra DDoS ProtectionAstra DDoS Protection alternativesModSecurity vs Astra DDoS Protection
Need the answer fast? Best Cloud WAAP Solutions for Business picks Cloudflare WAF, Akamai App & API Protector, Imperva Web Application Firewall (WAF) and 3 more.See the shortlist