Fastly Next-Gen WAF (Signal Sciences) vs Imunify360
Both Fastly Next-Gen WAF (Signal Sciences) and Imunify360 are capable WAF solutions. The right choice depends on your specific infrastructure, budget, and feature requirements.
Overview
Fastly Next-Gen WAF (Signal Sciences) and Imunify360 are both popular web application firewall solutions. This comparison will help you understand the key differences and choose the right one for your needs.
Developer-friendly WAF using proprietary SmartParse technology, offering low false positives and seamless DevOps integration for modern application security.
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.
Quick Comparison
| Feature | Fastly Next-Gen WAF (Signal Sciences) | Imunify360 |
|---|---|---|
| Overall Rating | 4.5/5 | 3.8/5 |
| Free Tier | No | No |
| Pricing Model | Custom pricing based on requests and features | Per-server subscription, tiered by number of hosting accounts |
| Ease of Use | 4.0/5 | 4.2/5 |
| Value for Money | 3.8/5 | 4.0/5 |
| Support | 4.5/5 | 4.0/5 |
| Platforms | Any web application, AWS, GCP, Azure, Kubernetes, Docker, Serverless, Nginx, Apache | Linux (AlmaLinux, Rocky Linux, RHEL, CentOS, Ubuntu, Debian, CloudLinux OS), cPanel/WHM, Plesk, DirectAdmin, standalone |
| Compliance | SOC 2 Type II, PCI DSS, ISO 27001, HIPAA, GDPR | Supports OWASP Top 10 protection, PCI DSS compatible configurations |
Pricing Comparison
Fastly Next-Gen WAF (Signal Sciences)
Model: Custom pricing based on requests and features
Essential
Custom pricing
Professional
Custom pricing
Premier
Custom pricing
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
Features Comparison
Fastly Next-Gen WAF (Signal Sciences)
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SmartParse Technology
Intelligent parsing technology that understands application context to reduce false positives by 90%+.
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Power Rules
Flexible rule language for creating custom detection and response logic based on any request attribute.
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API Discovery
Automatic discovery and cataloging of API endpoints with security assessment.
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DevOps Integration
Native integrations with CI/CD tools, infrastructure as code support, and developer-friendly APIs.
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Multi-Environment Deployment
Deploy as cloud service, agent, or edge module across diverse infrastructure.
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Real-Time Dashboards
Live visibility into attacks, decisions, and application health without sampling.
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.
Which One Is Right for You?
The best WAF depends on your specific requirements, infrastructure, and team expertise.
Fastly Next-Gen WAF (Signal Sciences)
- You need: Modern DevOps teams, API-heavy applications, organizations frustrated with false positives, companies needing flexible deployment options
- You're using: Any web application, AWS, GCP, Azure, Kubernetes, Docker, Serverless, Nginx, Apache
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
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: Fastly Next-Gen WAF (Signal Sciences) or Imunify360?
Fastly Next-Gen WAF (Signal Sciences) has a higher support rating (4.5/5) 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: Fastly Next-Gen WAF (Signal Sciences) or Imunify360?
Imunify360 scores higher for ease of use (4.2/5) versus Fastly Next-Gen WAF (Signal Sciences) (4.0/5). The actual implementation effort depends on your existing infrastructure and team expertise.
Which is more cost-effective: Fastly Next-Gen WAF (Signal Sciences) or Imunify360?
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 works better with AWS: Fastly Next-Gen WAF (Signal Sciences) or Imunify360?
Fastly Next-Gen WAF (Signal Sciences) 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.