Imunify360 vs Zscaler Internet Access (ZIA) WAF
Both Imunify360 and Zscaler Internet Access (ZIA) WAF are capable WAF solutions. The right choice depends on your specific infrastructure, budget, and feature requirements.
Overview
Imunify360 and Zscaler Internet Access (ZIA) 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.
Enterprise zero trust security platform with integrated cloud WAF capabilities as part of Zscaler Internet Access. Inspects all traffic including encrypted SSL/TLS at cloud scale.
Quick Comparison
| Feature | Imunify360 | Zscaler Internet Access (ZIA) WAF |
|---|---|---|
| Overall Rating | 3.8/5 | 3.8/5 |
| Free Tier | No | No |
| Pricing Model | Per-server subscription, tiered by number of hosting accounts | Per user / Annual subscription |
| Ease of Use | 4.2/5 | 3.2/5 |
| Value for Money | 4.0/5 | 3.0/5 |
| Support | 4.0/5 | 4.0/5 |
| Platforms | Linux (AlmaLinux, Rocky Linux, RHEL, CentOS, Ubuntu, Debian, CloudLinux OS), cPanel/WHM, Plesk, DirectAdmin, standalone | Cloud (SaaS) |
| Compliance | Supports OWASP Top 10 protection, PCI DSS compatible configurations | SOC 2, ISO 27001, FedRAMP, HIPAA, PCI DSS, GDPR |
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
Zscaler Internet Access (ZIA) WAF
Model: Per user / Annual subscription
ZIA Business
Custom pricing
ZIA Transformation
Custom pricing
Features Comparison
Imunify360
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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.
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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.
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Virtual Patching
Blocks exploit attempts against known vulnerabilities in WordPress plugins, themes, and CMS software before official patches are released or applied.
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WebShield
Reverse proxy layer that filters bot traffic and mitigates DDoS attacks using invisible JavaScript challenges instead of traditional CAPTCHAs.
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Automated Malware Cleanup
Detects and removes malicious code from files automatically, preserving the original file integrity. Includes database scanning for CMS infections.
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Global Threat Intelligence
Feeds from 57M+ protected domains. An attack blocked on one server instantly protects all other Imunify-protected servers worldwide.
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WordPress Plugin
Dedicated WordPress plugin providing site-level security dashboard, scan results, proactive defense status, and malware details directly in wp-admin.
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Compromised Password Reset
Automatically forces password resets when it detects that cPanel or WordPress credentials were used in an attack, breaking reinfection cycles.
Zscaler Internet Access (ZIA) WAF
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Inline WAF Protection
Inspects web traffic inline for OWASP Top 10 threats as part of the broader ZIA security stack.
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Full SSL/TLS Inspection
Decrypts, inspects, and re-encrypts all encrypted traffic at cloud scale without performance degradation.
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AI-Powered Threat Detection
Machine learning models analyze traffic patterns to detect zero-day threats and advanced attacks.
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Cloud Firewall
Stateful inspection firewall for all ports and protocols, extending protection beyond HTTP/S traffic.
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Centralized Policy Management
Single console for global security policy enforcement across 150+ data centers.
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Zero Trust Architecture
Identity-based access control ensuring users only reach authorized applications regardless of location.
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
Zscaler Internet Access (ZIA) WAF
- You need: Large enterprises adopting zero trust, organizations wanting a single vendor for all web security, companies with distributed workforces needing consistent global security policy
- You're using: Cloud (SaaS)
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 has better support: Imunify360 or Zscaler Internet Access (ZIA) WAF?
Zscaler Internet Access (ZIA) WAF has a higher support rating (4.0/5) compared to Imunify360 (4.0/5). 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 Zscaler Internet Access (ZIA) WAF?
Imunify360 scores higher for ease of use (4.2/5) versus Zscaler Internet Access (ZIA) WAF (3.2/5). The actual implementation effort depends on your existing infrastructure and team expertise.
Which is more cost-effective: Imunify360 or Zscaler Internet Access (ZIA) WAF?
Neither provider offers a completely free tier. Imunify360 scores higher for value (4.0/5). Total cost depends on your traffic volume, required features, and support level needs.
Which is better for enterprise: Imunify360 or Zscaler Internet Access (ZIA) WAF?
Zscaler Internet Access (ZIA) WAF is positioned for enterprise use cases, while Imunify360 may be more suited for small to mid-market organizations. Both offer compliance certifications important for enterprise. Enterprise buyers should evaluate SLAs, support options, and integration capabilities.