Coraza Web Application Firewall vs Security Ninja
Coraza Web Application Firewall and Security Ninja take different approaches to web application security. Consider your team's expertise and infrastructure preferences when evaluating these options.
Coraza Web Application Firewall and Security Ninja take fundamentally different approaches to web application security. Understanding your infrastructure and team capabilities will help determine which approach fits your needs.
Overview
Coraza Web Application Firewall and Security Ninja are both popular web application firewall solutions. This comparison will help you understand the key differences and choose the right one for your needs.
OWASP open source WAF written in Go, fully compatible with ModSecurity rules and OWASP Core Rule Set, designed as a modern alternative to ModSecurity with native support for Caddy, Traefik, and HAProxy.
Lightweight WordPress security plugin with a free 8G-based firewall that works out of the box. 50+ security tests, vulnerability scanner, and core file integrity checks. Pro adds malware scanning, country blocking, and 2FA.
Quick Comparison
| Feature | Coraza Web Application Firewall | Security Ninja |
|---|---|---|
| Overall Rating | 4.2/5 | 3.9/5 |
| Free Tier | Yes | Yes |
| Pricing Model | Free and open source (Apache 2.0) | Freemium (Free tier + paid subscriptions) |
| Ease of Use | 3.8/5 | 4.8/5 |
| Value for Money | 4.8/5 | 4.0/5 |
| Support | 3.5/5 | 3.8/5 |
| Open Source | Yes | No |
| Platforms | Any platform running Go, Docker, Kubernetes, Linux, macOS, Windows | WordPress (self-hosted) |
| Compliance | Supports PCI DSS compliance when configured with OWASP CRS | Contact vendor |
Pricing Comparison
Coraza Web Application Firewall
Model: Free and open source (Apache 2.0)
Free Tier AvailableOpen Source
Free
Security Ninja
Model: Freemium (Free tier + paid subscriptions)
Free Tier AvailableFree
$0
Pro (1 site)
$119.99/year (~$10/month)
Pro (3 sites)
$199/year (~$5.53/site/month)
Pro (10 sites)
$399/year (~$3.33/site/month)
Pro (25 sites)
$599/year (~$2/site/month)
Features Comparison
Coraza Web Application Firewall
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ModSecurity Compatibility
Full compatibility with ModSecurity SecLang rule language. Existing ModSecurity rules and rule sets work without modification.
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OWASP CRS Support
Native support for the OWASP Core Rule Set, providing protection against SQL injection, XSS, RCE, and other OWASP Top 10 threats.
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Go Native
Pure Go implementation with no C dependencies. Embeddable as a library, usable as middleware, or deployable as a plugin for modern proxies.
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Proxy Plugins
Official plugins for Caddy (coraza-caddy), Traefik, and HAProxy allow adding WAF protection with minimal configuration.
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Kubernetes Ready
Lightweight enough to run as a sidecar or embedded in ingress controllers. Works with any Go-based K8s tooling.
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Audit Logging
Detailed audit logging of blocked and flagged requests for security analysis and compliance reporting.
Security Ninja
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8G Firewall
Application-level firewall based on the 8G ruleset, blocking common malicious request patterns including SQL injection, directory traversal, and known bad query strings.
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50+ Security Tests
Comprehensive security audit covering database configuration, file permissions, PHP settings, user accounts, and WordPress hardening best practices.
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Vulnerability Scanner
Scans installed plugins and themes against known vulnerability databases and alerts on outdated or vulnerable components.
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Core File Scanner
Compares WordPress core files against the official repository to detect unauthorized modifications, backdoors, or injected code.
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Event Logger
Logs firewall events and login attempts (free). Full security audit trail with Pro.
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Malware Scanner
Detects and removes malicious code, backdoors, and suspicious files (Pro feature).
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Login Protection
Brute force protection, login URL rename, and two-factor authentication (Pro feature).
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Country Blocking
Block traffic from specific countries at the firewall level (Pro feature).
Which One Is Right for You?
The best WAF depends on your specific requirements, infrastructure, and team expertise.
Coraza Web Application Firewall
- You need: Teams migrating from ModSecurity, Kubernetes environments, Go-based applications, organizations using Caddy or Traefik, developers wanting embeddable WAF
- You want to start with a free tier
- You prefer open-source solutions
- You're using: Any platform running Go, Docker, Kubernetes, Linux, macOS, Windows
Security Ninja
- You need: WordPress site owners wanting a simple, low-overhead firewall that works immediately. Small business sites, blogs, and portfolios where ease of setup matters more than advanced WAF features. Agencies managing multiple WordPress sites on a budget.
- You want to start with a free tier
- You're using: WordPress (self-hosted)
We recommend evaluating both options with a trial or free tier before committing. Consider your existing infrastructure, team expertise, compliance requirements, and budget.
Frequently Asked Questions
Which is better for startups: Coraza Web Application Firewall or Security Ninja?
Both Coraza Web Application Firewall and Security Ninja offer free tiers, making them accessible for startups. Security Ninja scores higher for ease of use (4.8/5), which is valuable for smaller teams. Consider your immediate security needs and growth plans when choosing.
Which has better support: Coraza Web Application Firewall or Security Ninja?
Security Ninja has a higher support rating (3.8/5) compared to Coraza Web Application Firewall (3.5/5). However, support quality can vary based on your plan tier - enterprise customers typically receive more responsive support from both providers. Consider evaluating support during a trial period.
Which is easier to implement: Coraza Web Application Firewall or Security Ninja?
Security Ninja scores higher for ease of use (4.8/5) versus Coraza Web Application Firewall (3.8/5). The actual implementation effort depends on your existing infrastructure and team expertise.
Which is more cost-effective: Coraza Web Application Firewall or Security Ninja?
Both providers offer free tiers, making it easy to start without commitment. Coraza Web Application Firewall scores higher for value (4.8/5). Total cost depends on your traffic volume, required features, and support level needs.
Which is better for WordPress: Coraza Web Application Firewall or Security Ninja?
Security Ninja explicitly supports WordPress while Coraza Web Application Firewall takes a more platform-agnostic approach. For WordPress-specific threats like plugin vulnerabilities and brute force attacks, look for providers with WordPress-specific rule sets.