Azure Web Application Firewall vs Imperva Web Application Firewall
Imperva Web Application Firewall wins this comparison, particularly for Large enterprises, organizations with sophisticated security requirements, companies needing advanced bot management, regulated industries. That said, Azure Web Application Firewall remains a solid choice for Azure-native applications, Microsoft enterprise customers, government and regulated industries, global applications needing edge protection.
Overview
Azure Web Application Firewall and Imperva Web Application Firewall are both popular web application firewall solutions. This comparison will help you understand the key differences and choose the right one for your needs.
Microsoft's cloud-native WAF integrated with Azure Application Gateway and Front Door, offering enterprise-grade protection with deep Azure ecosystem integration.
Enterprise-grade cloud WAF with industry-leading threat research, offering comprehensive application security with advanced bot protection and API security.
Quick Comparison
| Feature | Azure Web Application Firewall | Imperva Web Application Firewall |
|---|---|---|
| Overall Rating | 4.2/5 | 4.4/5 |
| Free Tier | No | No |
| Pricing Model | Pay-per-use (gateway hours + data processed) | Custom enterprise pricing |
| Ease of Use | 3.5/5 | 3.5/5 |
| Value for Money | 3.8/5 | 3.7/5 |
| Support | 4.2/5 | 4.5/5 |
| Platforms | Azure Application Gateway, Azure Front Door, Azure CDN, Azure Spring Apps | Any web application, AWS, Azure, GCP, Kubernetes, on-premise |
| Compliance | SOC 1/2/3, PCI DSS, HIPAA, FedRAMP High, ISO 27001, ISO 27018 | SOC 2, PCI DSS, HIPAA, ISO 27001, ISO 27017, ISO 27018 |
Pricing Comparison
Azure Web Application Firewall
Model: Pay-per-use (gateway hours + data processed)
Application Gateway WAF v2
~$0.443/hour + $0.008/GB
Front Door Standard
$35/month base + usage
Front Door Premium
$330/month base + usage
Imperva Web Application Firewall
Model: Custom enterprise pricing
Pro
Starting ~$59/month
Business
Starting ~$299/month
Enterprise
Custom pricing
Features Comparison
Azure Web Application Firewall
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OWASP Core Rule Set
Pre-configured protection against OWASP Top 10 vulnerabilities with regularly updated rule sets.
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Custom Rules
Create custom rules based on geo-location, IP address, request attributes, and rate limiting.
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Bot Protection
Managed bot protection ruleset to detect and mitigate malicious bot traffic (Premium tier).
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Per-Site Policies
Apply different WAF policies to different sites behind the same gateway.
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Exclusion Lists
Fine-tune rules by excluding specific request attributes to reduce false positives.
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Geo-Filtering
Allow or block traffic based on country/region of origin.
Imperva Web Application Firewall
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Advanced Bot Protection
Machine learning-powered bot detection that distinguishes between legitimate users, good bots, and malicious automation.
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API Security
Discover, classify, and protect APIs with schema validation, anomaly detection, and positive security model.
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Account Takeover Protection
Detect and prevent credential stuffing and account takeover attacks using behavioral analysis.
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Client-Side Protection
Monitor and protect against client-side attacks like Magecart, formjacking, and supply chain compromises.
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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.
Which One Is Right for You?
The best WAF depends on your specific requirements, infrastructure, and team expertise.
Azure Web Application Firewall
- You need: Azure-native applications, Microsoft enterprise customers, government and regulated industries, global applications needing edge protection
- You're using: Azure Application Gateway, Azure Front Door, Azure CDN, Azure Spring Apps
Imperva Web Application Firewall
- You need: Large enterprises, organizations with sophisticated security requirements, companies needing advanced bot management, regulated industries
- You're using: Any web application, AWS, Azure, GCP, Kubernetes, on-premise
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: Azure Web Application Firewall or Imperva Web Application Firewall?
Imperva Web Application Firewall has a higher support rating (4.5/5) compared to Azure Web Application Firewall (4.2/5). 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: Azure Web Application Firewall or Imperva Web Application Firewall?
Imperva Web Application Firewall scores higher for ease of use (3.5/5) versus Azure Web Application Firewall (3.5/5). The actual implementation effort depends on your existing infrastructure and team expertise.
Which is more cost-effective: Azure Web Application Firewall or Imperva Web Application Firewall?
Neither provider offers a completely free tier. Azure Web Application Firewall scores higher for value (3.8/5). Total cost depends on your traffic volume, required features, and support level needs.
Which works better with AWS: Azure Web Application Firewall or Imperva Web Application Firewall?
Imperva Web Application Firewall explicitly supports AWS while Azure Web Application Firewall's AWS integration may vary. Consider whether native AWS integration or cross-cloud portability matters more for your use case.
Which is better for enterprise: Azure Web Application Firewall or Imperva Web Application Firewall?
Both Azure Web Application Firewall and Imperva Web Application Firewall are well-suited for enterprise deployments. Both offer compliance certifications important for enterprise. Enterprise buyers should evaluate SLAs, support options, and integration capabilities.