Imunify360 vs Sophos Firewall (XGS)

Both Imunify360 and Sophos Firewall (XGS) are capable WAF solutions. The right choice depends on your specific infrastructure, budget, and feature requirements.

Overview

Imunify360 and Sophos Firewall (XGS) 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.

Next-gen firewall (SFOS on XGS appliances) with a built-in reverse-proxy Web Application Firewall via its Web Server Protection module; the active successor to the end-of-life Sophos UTM.

Quick Comparison

Feature Imunify360 Sophos Firewall (XGS)
Overall Rating 3.8/5 3.8/5
Free Tier No Yes
Pricing Model Per-server subscription, tiered by number of hosting accounts Appliance plus subscription (varies by appliance and subscription bundle)
Ease of Use 4.2/5 3.9/5
Value for Money 4.0/5 4.0/5
Support 4.0/5 3.8/5
Platforms Linux (AlmaLinux, Rocky Linux, RHEL, CentOS, Ubuntu, Debian, CloudLinux OS), cPanel/WHM, Plesk, DirectAdmin, standalone XGS Series hardware appliances, virtual (VMware, Hyper-V, KVM), software/Home Edition, and cloud (Firewall in AWS and Azure)
Compliance Supports OWASP Top 10 protection, PCI DSS compatible configurations Common Criteria, FIPS-validated cryptography (model dependent)

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 →

Sophos Firewall (XGS)

Model: Appliance plus subscription (varies by appliance and subscription bundle)

Free Tier Available

Home Edition

Free

Xstream Protection (Commercial)

Custom pricing

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.

Sophos Firewall (XGS)

  • Reverse-Proxy WAF

    Apache-based reverse proxy that protects published web servers against SQL injection, cross-site scripting, directory traversal, and other common web attacks.

  • Form Hardening

    Signs and validates form fields to prevent manipulation of submitted web forms.

  • URL Hardening

    Restricts accessible URLs based on the learned structure of the protected application.

  • Cookie Signing

    Cryptographically signs cookies to detect and block tampering.

  • Reverse-Proxy Authentication

    Adds basic or form-based authentication policies in front of published web servers via WAF rules.

  • Antivirus Scanning

    Scans uploads and traffic to protected web servers for malware as part of Web Server Protection.

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 →

Sophos Firewall (XGS)

  • You need: Organizations already running Sophos Firewall, businesses wanting WAF and network security in one appliance, home labs and educational users via the free Home Edition
  • You want to start with a free tier
  • You're using: XGS Series hardware appliances, virtual (VMware, Hyper-V, KVM), software/Home Edition, and cloud (Firewall in AWS and Azure)
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 Sophos Firewall (XGS)?

Sophos Firewall (XGS) offers a free tier while Imunify360 does not, making Sophos Firewall (XGS) 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 Sophos Firewall (XGS)?

Imunify360 has a higher support rating (4.0/5) compared to Sophos Firewall (XGS) (3.8/5). 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 Sophos Firewall (XGS)?

Imunify360 scores higher for ease of use (4.2/5) versus Sophos Firewall (XGS) (3.9/5). The actual implementation effort depends on your existing infrastructure and team expertise.

Which is more cost-effective: Imunify360 or Sophos Firewall (XGS)?

Sophos Firewall (XGS) offers a free tier while Imunify360 requires a paid plan. Total cost depends on your traffic volume, required features, and support level needs.

Which works better with AWS: Imunify360 or Sophos Firewall (XGS)?

Sophos Firewall (XGS) explicitly supports AWS while Imunify360's AWS integration may vary. Consider whether native AWS integration or cross-cloud portability matters more for your use case.