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AWS Web Application Firewalls (WAFs) is a free cloud web application and api protection tool. Imperva Application Security is a commercial cloud web application and api protection tool by Imperva. Compare features, ratings, integrations, and community reviews side by side to find the best cloud web application and api protection fit for your security stack.
Based on our analysis of NIST CSF 2.0 coverage, core features, company size fit, deployment model, here is our conclusion:
Teams already deep in AWS infrastructure will move fastest with AWS WAF because it threads directly into API Gateway, CloudFront, and ALB without separate agent deployment or data exfiltration concerns. The free tier eliminates budget friction for prototype and mid-tier workloads, and native CloudWatch integration means you're not bolting on a separate SIEM. Skip this if your web applications sit outside AWS or you need API schema validation and runtime threat detection; AWS WAF does request filtering well but doesn't understand your API's legitimate behavior the way specialized API security tools do.
Mid-market and enterprise teams defending APIs and web applications against coordinated attacks will get the most from Imperva Application Security; its bot protection and DDoS mitigation are genuinely difficult to bypass, which matters when attackers are testing your perimeter daily. The platform covers PCI DSS 4.0 compliance and delivers real-time blocking across web, mobile, and API surfaces without requiring you to rebuild your infrastructure. Skip this if you need a unified CNAPP that also handles cloud-native workloads or infrastructure scanning; Imperva stays focused on the application layer where it's strong.
AWS Web Application Firewalls (WAFs) are cloud-based security services that protect web applications and APIs from internet-based attacks through customizable filtering rules and centralized management capabilities.
Platform protecting web apps and APIs from attacks, bots, and DDoS threats
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Common questions about comparing AWS Web Application Firewalls (WAFs) vs Imperva Application Security for your cloud web application and api protection needs.
AWS Web Application Firewalls (WAFs): AWS Web Application Firewalls (WAFs) are cloud-based security services that protect web applications and APIs from internet-based attacks through customizable filtering rules and centralized management capabilities..
Imperva Application Security: Platform protecting web apps and APIs from attacks, bots, and DDoS threats. built by Imperva. headquartered in United States. Core capabilities include Web Application Firewall protection, Advanced bot protection for websites and mobile apps, API security with discovery and classification..
Both serve the Cloud Web Application and API Protection market but differ in approach, feature depth, and target audience.
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