Top 10 Imperva WAF Alternatives 2026
Advanced web application firewall for comprehensive threat protection
Trusted by 2M+ software buyers annually.
Main Features
- API Security
- Automated Attack Mitigation
- Bot Protection
- Compliance Reporting
Imperva WAF is a Web Application Firewall (WAF) Software platform. Teams looking for alternatives typically need better pricing flexibility, easier deployment, or a closer feature fit for their specific use case. Below you'll find 10 vetted Web Application Firewall (WAF) Software alternatives ranked by user rating, with filters to narrow by pricing, platform, and features — so you can find the right fit for 2026.
Imperva WAF vs Top Alternatives at a Glance
Side-by-side comparison of pricing, user rating, and free trial availability to help you decide faster.
| Tool | Best For | Pricing | Rating | Free Option |
|---|---|---|---|---|
| Imperva WAF Current | Web Application Firewall (WAF) Software | — | No reviews | ✗ No |
| Barracuda WAF | Web Application Firewall (WAF) Software | — | No reviews | ✗ No |
| Cloudflare WAF | Web Application Firewall (WAF) Software | — | No reviews | ✗ No |
| Azure WAF | Web Application Firewall (WAF) Software | — | No reviews | ✗ No |
| F5 Advanced WAF | Web Application Firewall (WAF) Software | — | No reviews | ✗ No |
| AWS WAF | Web Application Firewall (WAF) Software | — | No reviews | ✗ No |
Showing 1-10 out of 10
List of the Top Imperva WAF alternatives as of October 2026
Compare business software, products, and services to find the best solution for your business or organization. Use the filters on the left to drill down by category, pricing, features, market segment, user ratings, and more.
Barracuda WAF
Advanced web application firewall for comprehensive threat protection
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What is Barracuda WAF?
Barracuda WAF is a comprehensive web application firewall solution designed to protect web applications from a wide range of cyber threats including OWASP Top 10 vulnerabilities, DDoS attacks, and zero-day exploits. It offers advanced security features such as bot mitigation, API security, and ...
Read moreWhat reviewers like about Barracuda WAF
- Comprehensive protection against OWASP Top 10 vulnerabilities
- Robust DDoS and bot mitigation capabilities
- Flexible deployment options including cloud and on-premises
Where Barracuda WAF falls short
- Complexity in configuring advanced custom policies for beginners
- Higher cost compared to some lightweight WAF solutions
- Limited native integration with some niche third-party tools
Common Features
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OWASP Top 10 Protection
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DDoS Protection
-
API Security
+ 3 more
Unique Features
-
Bot Mitigation
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Session Management
-
SSL Offload
+ 3 more
Cloudflare WAF
Advanced web application firewall with global threat protection
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What is Cloudflare WAF?
Cloudflare WAF is a robust web application firewall designed to protect websites and applications from a wide range of cyber threats including SQL injection, cross-site scripting, and DDoS attacks. Leveraging Cloudflare's global network, it provides real-time threat detection and mitigation, ...
Read moreWhat reviewers like about Cloudflare WAF
- Comprehensive protection against OWASP Top 10 vulnerabilities
- Seamless integration with Cloudflare’s CDN and DDoS mitigation
- Real-time threat detection and automated blocking
Where Cloudflare WAF falls short
- Pricing can be high for small businesses
- Customization may require technical expertise
- Some advanced features require higher-tier plans
Common Features
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DDoS Protection
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OWASP Top 10 Protection
-
API Security
+ 3 more
Unique Features
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Bot Management
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Logging & Reporting
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Geo-Blocking
+ 3 more
Spotsaas Buyer Intelligence
Own the software buyers are comparing here? See who's weighing you against rivals — and who's comparing your competitors while you're not in the running.
Azure WAF
Cloud-native web application firewall for advanced threat protection
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What is Azure WAF?
Azure Web Application Firewall (WAF) is a cloud-native security service designed to protect web applications from common threats and vulnerabilities such as SQL injection, cross-site scripting, and other OWASP top 10 attacks. Integrated with Azure Application Gateway and Azure Front Door, Azure ...
Read moreWhat reviewers like about Azure WAF
- Integration with Azure ecosystem
- OWASP Top 10 protection
- Customizable security rules
Where Azure WAF falls short
- Complex configuration for beginners
- Costs can increase with scale and features
- Limited support outside Azure environment
Common Features
-
OWASP Top 10 Protection
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Custom Rules
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Bot Protection
+ 2 more
Unique Features
-
Logging & Reporting
-
Geo-Blocking
-
SSL Offload
+ 2 more
F5 Advanced WAF
Advanced protection for web applications and APIs against evolving cyber threats
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What is F5 Advanced WAF?
F5 Advanced WAF is a comprehensive web application firewall solution designed to protect applications from sophisticated cyber threats including OWASP Top 10 vulnerabilities, bots, and DDoS attacks. It offers advanced behavioral analytics, machine learning, and positive security models to ...
Read moreWhat reviewers like about F5 Advanced WAF
- Protection against OWASP Top 10 vulnerabilities
- Advanced bot mitigation capabilities
- API security features
Where F5 Advanced WAF falls short
- Complex configuration may require specialized expertise
- Higher cost compared to basic WAF solutions
- Resource-intensive deployment for large-scale environments
Common Features
-
OWASP Top 10 Protection
-
API Security
-
DDoS Protection
+ 2 more
Unique Features
-
Bot Mitigation
-
Real-time Attack Detection
-
SSL/TLS Inspection
+ 3 more
AWS WAF
Cloud-native web application firewall for scalable security
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What is AWS WAF?
AWS WAF is a cloud-based web application firewall that helps protect your web applications from common web exploits and bots that can affect availability, compromise security, or consume excessive resources. It allows users to create custom security rules that block common attack patterns, such ...
Read moreWhat reviewers like about AWS WAF
- Seamless integration with AWS ecosystem
- Highly customizable rule creation
- Managed rule groups reduce manual effort
Where AWS WAF falls short
- Pricing can be complex depending on usage
- Steeper learning curve for beginners
- Limited UI customization options
Common Features
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Custom Rules
-
Bot Protection
-
API Security
+ 1 more
Unique Features
-
Predefined Rulesets
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Rate Limiting
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Geo-Blocking
+ 5 more
Prophaze
Stay ahead of cyber threats with Prophaze's advanced protection.
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What is Prophaze?
Prophaze is a Web Application Firewall (WAF) built for Kubernetes that provides application-layer security and scales with website traffic. It automates threat detection, delivers real-time visibility into web traffic activity, and reduces incident response time for security events.
Read moreCommon Features
-
OWASP Top 10 Protection
-
DDoS Protection
-
API Security
Unique Features
-
Auto Scaling
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Real Time Analytics
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Machine Learning
+ 1 more
Pricing
Free Trial available
Prophaze offers custom pricing plan
Haltdos Web Application Firewall
Secure your web applications with cutting-edge protection.
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What is Haltdos Web Application Firewall?
Haltdos Web Application Firewall protects web applications from threats targeting sensitive data including credit card numbers, Social Security numbers, and other PII. It uses machine learning to identify emerging threats and includes Layer 3 to Layer 7 DDoS protection, antivirus scanning, and ...
Read moreCommon Features
-
DDoS Protection
-
Threat Intelligence
-
OWASP Top 10 Protection
Unique Features
-
Machine Learning
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Malware Detection
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Data Loss Protection
+ 1 more
Pricing
Haltdos Web Application Firewall offers custom pricing plan
Modshield SB
Stay one step ahead of cyber threats.
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What is Modshield SB?
Modshield SB is a web application firewall that blocks SQL injection, cross-site scripting (XSS), and cross-site request forgery (CSRF) by intercepting malicious traffic before it reaches the application server. It includes geographic traffic controls for whitelisting or blacklisting by ...
Read moreCommon Features
-
OWASP Top 10 Protection
Unique Features
-
Blacklisting
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Whitelisting
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Logging & Reporting
Pricing
Free Trial available
Modshield SB offers custom pricing plan
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SeleniumBox (SBOX)
Empower your testing with efficiency and security.
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What is SeleniumBox (SBOX)?
Introducing SeleniumBox, a cutting-edge enterprise testing grid designed to meet the rigorous demands of modern development teams. With the tagline "Enterprise testing grid inside the firewall," SeleniumBox (SBOX) offers a robust solution for organizations seeking a secure and efficient testing ...
Read more7.9
SpotScore
Salt Security — API Security Software · 4.71★
API and AI agent discovery, posture management and runtime protection
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What is Salt Security?
Salt Security discovers, monitors and protects APIs, AI agents and Model Context Protocol servers across enterprise environments. Discovery covers the full estate including shadow and zombie APIs, posture management analyses components for misconfiguration, excessive permissions and exposed ...
Read moreWhat reviewers like about Salt Security
- Reviewers praise instant, centralized visibility into all of their APIs.
- Detects attacks and anomalous traffic, including at the business-logic layer.
- Easy to deploy and lightweight, building on existing integrations like Splunk.
Common Features
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Third-party Integration
Unique Features
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Analytics
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Dashboard
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Reporting
+ 4 more
Pricing
Salt Security offers custom pricing plan
The main Imperva WAF competitors
Across Web Application Firewall (WAF) Software, 10 products compete directly with Imperva WAF. The strongest overlap is with Barracuda WAF, Cloudflare WAF and Azure WAF. Each is compared against Imperva WAF on rating, pricing and feature coverage below.
Tools similar to Imperva WAF
Searches for "sites like Imperva WAF" and "apps like Imperva WAF" land on the same set of options as "Imperva WAF alternatives" — the 10 options below cover both, whether you want a like-for-like replacement or something lighter.
Why each earned a place here
Comprehensive protection against OWASP Top 10 vulnerabilities
Watch for: Complexity in configuring advanced custom policies for beginners
Comprehensive protection against OWASP Top 10 vulnerabilities
Watch for: Pricing can be high for small businesses
Integration with Azure ecosystem
Watch for: Complex configuration for beginners
Protection against OWASP Top 10 vulnerabilities
Watch for: Complex configuration may require specialized expertise
Seamless integration with AWS ecosystem
Watch for: Pricing can be complex depending on usage
Reviewers praise instant, centralized visibility into all of their APIs.
Why teams look for a Imperva WAF alternative
A handful of pain points come up again and again when teams consider replacing Imperva WAF:
- Complex configuration may require expert knowledge
- Higher cost compared to some competitors
- Some users report a learning curve for advanced features
What to focus on in a Imperva WAF alternative
A factual rundown of the 10 alternatives: 2 offer a free tier; and Salt Security is the highest rated at 4.71★ across 12 reviews.
The logic behind the ranking.
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
