AWS Web Application Firewall vs CrowdSec Web Application Firewall vs Imperva Web Application Firewall

Comparing AWS Web Application Firewall, CrowdSec Web Application Firewall and Imperva Web Application Firewall across pricing, features, ease of use, and more. Each WAF has different strengths — the right choice depends on your specific requirements.

View AWS Web Application Firewall Review

View CrowdSec Web Application Firewall Review

View Imperva Web Application Firewall Review

Overview

AWS Web Application Firewall, CrowdSec Web Application Firewall and Imperva 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.

AWS Web Application Firewall: Native AWS security service providing scalable WAF protection for applications hosted on AWS infrastructure with pay-per-use pricing.

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.

Imperva Web Application Firewall: Enterprise-grade cloud WAF with industry-leading threat research, offering comprehensive application security with advanced bot protection and API security.

Quick Comparison

Feature	AWS Web Application Firewall	CrowdSec Web Application Firewall	Imperva Web Application Firewall
Overall Rating	4.3/5	4.3/5	4.4/5
Free Tier	No	Yes	No
Pricing Model	Pay-per-use (rules + requests)	Open source (MIT) + commercial blocklists and CTI	Custom enterprise pricing
Ease of Use	3.5/5	-	3.5/5
Value for Money	4.0/5	4.7/5	3.7/5
Support	4.0/5	-	4.5/5
Platforms	AWS CloudFront, ALB, API Gateway, AppSync, Cognito, App Runner, Verified Access	Linux, Docker, Kubernetes, FreeBSD, Windows (beta)	Any web application, AWS, Azure, GCP, Kubernetes, on-premise
Compliance	SOC 1/2/3, PCI DSS, HIPAA, FedRAMP, ISO 27001	Supports PCI DSS compliance, SOC 2 workflows	SOC 2, PCI DSS, HIPAA, ISO 27001, ISO 27017, ISO 27018
Best For	AWS-native applications, organizations already invested in AWS ecosystem, variable traffic workloads, multi-account AWS environments	-	Large enterprises, organizations with sophisticated security requirements, companies needing advanced bot management, regulated industries

Pricing Comparison

AWS Web Application Firewall

Model: Pay-per-use (rules + requests)

Small (1 ACL, 10 rules)

$15/month + $0.60/M requests

Medium (2 ACL, 25 rules)

$35/month + $0.60/M requests

Large (5 ACL, 50 rules)

$75/month + $0.60/M requests

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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 →

Imperva Web Application Firewall

Model: Custom enterprise pricing

Pro

Starting ~$59/month

Business

Starting ~$299/month

Enterprise

Custom pricing

View full pricing →

Features Comparison

AWS Web Application Firewall

AWS Managed Rules
Pre-configured rule groups maintained by AWS and AWS Marketplace sellers for common threats.
Custom Rules
Build your own rules using conditions like IP addresses, HTTP headers, URI strings, and more.
Rate-Based Rules
Automatically block IPs that exceed defined request thresholds.
Bot Control
Managed rule group for detecting and managing bot traffic (additional cost).
Fraud Control
Account takeover prevention and creation fraud detection for login/signup pages.
Firewall Manager Integration
Centrally configure and manage WAF rules across multiple AWS accounts.

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.

Imperva Web Application Firewall

Advanced Bot Protection
Machine learning-powered bot detection that distinguishes between legitimate users, good bots, and malicious automation.
API Security
Discover, classify, and protect APIs with schema validation, anomaly detection, and positive security model.
Account Takeover Protection
Detect and prevent credential stuffing and account takeover attacks using behavioral analysis.
Client-Side Protection
Monitor and protect against client-side attacks like Magecart, formjacking, and supply chain compromises.
Attack Analytics
AI-powered analysis of security events to identify attack campaigns and reduce alert fatigue.
Virtual Patching
Immediate protection against known vulnerabilities while you work on permanent fixes.

Our Verdict

AWS Web Application Firewall, CrowdSec Web Application Firewall and Imperva Web Application Firewall are all capable web application firewalls that can protect your applications from common threats.

Key considerations:

AWS Web Application Firewall is well-suited for: AWS-native applications, organizations already invested in AWS ecosystem, variable traffic workloads, multi-account AWS environments
Imperva Web Application Firewall is well-suited for: Large enterprises, organizations with sophisticated security requirements, companies needing advanced bot management, regulated industries

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: AWS Web Application Firewall or CrowdSec Web Application Firewall or Imperva Web Application Firewall?

CrowdSec Web Application Firewall offers a free tier.

Which WAF is easiest to set up?

AWS Web Application Firewall has the highest ease of use rating at 3.5/5 in our review.

Which WAF has the highest overall rating?

Imperva Web Application Firewall leads with an overall rating of 4.4/5.