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CrowdSec Web Application Firewall vs Fastly Next-Gen WAF (Signal Sciences) vs Sansec Shield Web Application Firewall

Comparing CrowdSec Web Application Firewall, Fastly Next-Gen WAF (Signal Sciences) and Sansec Shield Web Application Firewall across pricing, features, ease of use, and more. Each WAF has different strengths — the right choice depends on your specific requirements.

Overview

CrowdSec Web Application Firewall, Fastly Next-Gen WAF (Signal Sciences) and Sansec Shield Web Application Firewall are popular web application firewall solutions. This comparison will help you understand the key differences and choose the right one for your needs.

CrowdSec Web Application Firewall: Open-source, crowd-powered WAF that combines traditional rule-based filtering with community-driven threat intelligence. Integrates with Nginx, Traefik, HAProxy, and Kubernetes. Compatible with ModSecurity SecLang rules.

Fastly Next-Gen WAF (Signal Sciences): Developer-friendly WAF using proprietary SmartParse technology, offering low false positives and seamless DevOps integration for modern application security.

Sansec Shield Web Application Firewall: Magento-specific WAF with real-time threat protection, zero false positives, and deep Adobe Commerce integration for e-commerce stores.

Quick Comparison

Feature
CrowdSec Web Application Firewall
Fastly Next-Gen WAF (Signal Sciences)
Sansec Shield Web Application Firewall
Overall Rating 4.3/5 4.5/5 4.4/5
Free Tier Yes No No
Pricing Model Open source (MIT) + commercial blocklists and CTI Custom pricing based on requests and features Subscription by store revenue tier
Ease of Use - 4.0/5 4.0/5
Value for Money 4.7/5 3.8/5 4.3/5
Support - 4.5/5 4.6/5
Platforms Linux, Docker, Kubernetes, FreeBSD, Windows (beta) Any web application, AWS, GCP, Azure, Kubernetes, Docker, Serverless, Nginx, Apache Magento 2, Adobe Commerce, Adobe Cloud
Compliance Supports PCI DSS compliance, SOC 2 workflows SOC 2 Type II, PCI DSS, ISO 27001, HIPAA, GDPR PCI DSS compatible
Best For - Modern DevOps teams, API-heavy applications, organizations frustrated with false positives, companies needing flexible deployment options Magento 2 stores, Adobe Commerce merchants, e-commerce businesses requiring specialized protection

Pricing Comparison

CrowdSec Web Application Firewall

Model: Open source (MIT) + commercial blocklists and CTI

Free Tier Available

Community

Free

Premium Blocklists

From $900/month

CTI

Custom

View full pricing →

Fastly Next-Gen WAF (Signal Sciences)

Model: Custom pricing based on requests and features

Essential

Custom pricing

Professional

Custom pricing

Premier

Custom pricing

View full pricing →

Sansec Shield Web Application Firewall

Model: Subscription by store revenue tier

Secure

Custom pricing

Advanced

Custom pricing

Enterprise

Custom pricing

View full pricing →

Features Comparison

CrowdSec Web Application Firewall

  • Crowd-Sourced Threat Intelligence

    Network of 200,000+ installations sharing attack signals in real-time. Blocks malicious IPs 7-60 days before other vendors detect them.

  • ModSecurity Rule Compatibility

    Load existing ModSecurity SecLang rules directly. Teams migrating from ModSecurity can reuse their rule sets without rewriting.

  • Virtual Patching

    Block exploitation attempts at the WAF layer before application patches are deployed. Protect against known CVEs without code changes.

  • Advanced Behavior Detection

    Goes beyond single-request analysis. Generates internal events to build complex multi-request scenarios before triggering blocks.

  • Proxy Integration

    Native integration with Nginx, Traefik, HAProxy, Apache, and Envoy. No separate appliance needed.

  • Kubernetes Ready

    Runs as a sidecar or within ingress controllers. Fits containerized and microservice architectures.

  • Console Dashboard

    Web-based management console for monitoring alerts, managing blocklists, and configuring the security engine.

  • Community Blocklists

    Free access to crowd-sourced IP blocklists updated in real-time from the CrowdSec network.

Fastly Next-Gen WAF (Signal Sciences)

  • SmartParse Technology

    Intelligent parsing technology that understands application context to reduce false positives by 90%+.

  • Power Rules

    Flexible rule language for creating custom detection and response logic based on any request attribute.

  • API Discovery

    Automatic discovery and cataloging of API endpoints with security assessment.

  • DevOps Integration

    Native integrations with CI/CD tools, infrastructure as code support, and developer-friendly APIs.

  • Multi-Environment Deployment

    Deploy as cloud service, agent, or edge module across diverse infrastructure.

  • Real-Time Dashboards

    Live visibility into attacks, decisions, and application health without sampling.

Sansec Shield Web Application Firewall

  • Origin-Based Protection

    Operates at the application layer as a PHP module, protecting against attacks that bypass CDN-based WAFs.

  • Real-Time Threat Detection

    Sub-millisecond pattern matching with zero performance impact on store operations.

  • Zero False Positives

    Blocks only actual attacks using Magento-specific intelligence, not generic criteria.

  • Rapid Threat Response

    New protection rules deployed within minutes of detecting new attack patterns in the wild.

  • Magento-Specific Rules

    Deep understanding of Magento architecture enables detection of platform-specific vulnerabilities.

  • Hack Protection Guarantee

    Conditional guarantee against successful attacks when security requirements are met.

Our Verdict

CrowdSec Web Application Firewall, Fastly Next-Gen WAF (Signal Sciences) and Sansec Shield Web Application Firewall are all capable web application firewalls that can protect your applications from common threats.

Key considerations:

  • Fastly Next-Gen WAF (Signal Sciences) is well-suited for: Modern DevOps teams, API-heavy applications, organizations frustrated with false positives, companies needing flexible deployment options
  • Sansec Shield Web Application Firewall is well-suited for: Magento 2 stores, Adobe Commerce merchants, e-commerce businesses requiring specialized protection

We recommend evaluating your options with a trial or free tier before committing. Consider your existing infrastructure, team expertise, compliance requirements, and budget.

Frequently Asked Questions

Which is the cheapest: CrowdSec Web Application Firewall or Fastly Next-Gen WAF (Signal Sciences) or Sansec Shield Web Application Firewall?

CrowdSec Web Application Firewall offers a free tier.

Which WAF is easiest to set up?

Fastly Next-Gen WAF (Signal Sciences) has the highest ease of use rating at 4.0/5 in our review.

Which WAF has the highest overall rating?

Fastly Next-Gen WAF (Signal Sciences) leads with an overall rating of 4.5/5.