WAFPlanet

Imunify360 vs ModSecurity Open Source WAF

Imunify360 and ModSecurity Open Source WAF take different approaches to web application security. Consider your team's expertise and infrastructure preferences when evaluating these options.

Imunify360 and ModSecurity Open Source WAF take fundamentally different approaches to web application security. Understanding your infrastructure and team capabilities will help determine which approach fits your needs.

Overview

Imunify360 and ModSecurity Open Source WAF are both popular web application firewall solutions. This comparison will help you understand the key differences and choose the right one for your needs.

A multi-layered server security platform by CloudLinux that bundles a managed ModSecurity WAF, proactive PHP defense, malware scanning, and network firewall into a single automated package for Linux hosting servers.

The original open source WAF engine powering countless applications, offering unmatched flexibility for those willing to manage their own security infrastructure.

Quick Comparison

Feature Imunify360 ModSecurity Open Source WAF
Overall Rating 3.8/5 4.0/5
Free Tier No Yes
Pricing Model Per-server subscription, tiered by number of hosting accounts Free (Open Source)
Ease of Use 4.2/5 2.5/5
Value for Money 4.0/5 4.8/5
Support 4.0/5 3.0/5
Open Source No Yes
Platforms Linux (AlmaLinux, Rocky Linux, RHEL, CentOS, Ubuntu, Debian, CloudLinux OS), cPanel/WHM, Plesk, DirectAdmin, standalone Apache, Nginx, IIS, Kubernetes (via Ingress), Docker, any platform via libmodsecurity
Compliance Supports OWASP Top 10 protection, PCI DSS compatible configurations N/A (varies by implementation)

Pricing Comparison

Imunify360

Model: Per-server subscription, tiered by number of hosting accounts

Single User

$12/mo

Up to 30 Users

$20/mo

Up to 250 Users

$35/mo

Unlimited

$45/mo

View full pricing →

ModSecurity Open Source WAF

Model: Free (Open Source)

Free Tier Available

Community Edition

Free

Commercial Support

Varies by vendor

View full pricing →

Features Comparison

Imunify360

  • Managed WAF Rules

    ModSecurity-based WAF with proprietary rules maintained by Imunify's security team. Automatically updated to cover new WordPress plugin vulnerabilities, CMS exploits, and emerging attack patterns.

  • Proactive Defense

    Real-time PHP script behavior analysis that detects and blocks malicious activity during execution. Catches zero-day attacks that signature-based WAFs miss entirely.

  • Virtual Patching

    Blocks exploit attempts against known vulnerabilities in WordPress plugins, themes, and CMS software before official patches are released or applied.

  • WebShield

    Reverse proxy layer that filters bot traffic and mitigates DDoS attacks using invisible JavaScript challenges instead of traditional CAPTCHAs.

  • Automated Malware Cleanup

    Detects and removes malicious code from files automatically, preserving the original file integrity. Includes database scanning for CMS infections.

  • Global Threat Intelligence

    Feeds from 57M+ protected domains. An attack blocked on one server instantly protects all other Imunify-protected servers worldwide.

  • WordPress Plugin

    Dedicated WordPress plugin providing site-level security dashboard, scan results, proactive defense status, and malware details directly in wp-admin.

  • Compromised Password Reset

    Automatically forces password resets when it detects that cPanel or WordPress credentials were used in an attack, breaking reinfection cycles.

ModSecurity Open Source WAF

  • OWASP Core Rule Set

    Comprehensive, community-maintained rule set providing protection against OWASP Top 10 and more.

  • Custom Rules

    Powerful SecRule language for creating custom detection logic based on any request/response attribute.

  • Real-Time Request Analysis

    Inspect and analyze every HTTP transaction with access to full request and response data.

  • Audit Logging

    Detailed logging of security events for forensics, compliance, and monitoring.

  • Virtual Patching

    Create temporary rules to protect against vulnerabilities while permanent fixes are developed.

  • Data Loss Prevention

    Inspect response bodies to prevent sensitive data leakage.

Which One Is Right for You?

The best WAF depends on your specific requirements, infrastructure, and team expertise.

Imunify360

  • You need: Hosting providers running cPanel/Plesk/DirectAdmin on Linux, WordPress hosting companies, shared hosting environments needing automated security, server administrators who want managed WAF without rule expertise
  • You're using: Linux (AlmaLinux, Rocky Linux, RHEL, CentOS, Ubuntu, Debian, CloudLinux OS), cPanel/WHM, Plesk, DirectAdmin, standalone
Learn more →

ModSecurity Open Source WAF

  • You need: Security teams with WAF expertise, organizations with strict budget constraints, those needing maximum customization, educational purposes
  • You want to start with a free tier
  • You prefer open-source solutions
  • You're using: Apache, Nginx, IIS, Kubernetes (via Ingress), Docker, any platform via libmodsecurity
Learn more →

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: Imunify360 or ModSecurity Open Source WAF?

ModSecurity Open Source WAF offers a free tier while Imunify360 does not, making ModSecurity Open Source WAF more accessible for budget-conscious startups. Imunify360 scores higher for ease of use (4.2/5), which is valuable for smaller teams. Consider your immediate security needs and growth plans when choosing.

Which has better support: Imunify360 or ModSecurity Open Source WAF?

Imunify360 has a higher support rating (4.0/5) compared to ModSecurity Open Source WAF (3.0/5). 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: Imunify360 or ModSecurity Open Source WAF?

Imunify360 scores higher for ease of use (4.2/5) versus ModSecurity Open Source WAF (2.5/5). The actual implementation effort depends on your existing infrastructure and team expertise.

Which is more cost-effective: Imunify360 or ModSecurity Open Source WAF?

ModSecurity Open Source WAF offers a free tier while Imunify360 requires a paid plan. ModSecurity Open Source WAF scores higher for value (4.8/5). Total cost depends on your traffic volume, required features, and support level needs.

What's the difference between ModSecurity Open Source WAF (open source) and Imunify360 (commercial)?

ModSecurity Open Source WAF is open source, which means you can inspect the code, customize it, and self-host without licensing fees. Imunify360 is a commercial solution with managed support and regular updates. Open source is ideal if you have in-house expertise and want full control. Commercial solutions are better if you prefer managed security with vendor support.