# Imperva Web Application Firewall (WAF) Imperva Web Application Firewall (WAF) is a Cloud Web Application and API Protection product by Imperva. It runs in the cloud or on-premises (hybrid). Pricing is commercial (contact sales). WAF protecting web apps and APIs from OWASP Top 10 and other threats Checked October 2026. ## What is Imperva Web Application Firewall (WAF)? Imperva Web Application Firewall (WAF) is a security solution that protects web applications and APIs from attacks across cloud, on-premises, and hybrid environments. The product blocks threats including SQL injection, cross-site scripting (XSS), and OWASP Top 10 vulnerabilities. The WAF uses managed rules created and tested by Imperva's Threat Research team, with daily updates and real-time updates for critical threats. The solution deploys in blocking mode from initial setup, with over 90% of customers using this configuration. Machine learning capabilities automatically identify attack patterns and correlate security events into incident narratives. The product offers three deployment options: Cloud WAF (SaaS-based with automated policy creation), WAF Gateway (for legacy on-premises applications), and Elastic WAF (for modern applications within deployment environments). The solution includes Attack Analytics that correlates security alerts and provides contextual information about incidents including attack origin, methods, and severity. Additional capabilities include automated deployment through Terraform provider, enterprise SSL certificate management with automated renewal and domain validation, and compliance features for GDPR, PII, and PCI DSS requirements. The platform provides logging, auditing, and access controls for regulatory adherence. Tags: SQL Injection, XSS, WAF ## Where it fits in your security program (NIST CSF 2.0) - [Protect](https://cybersectools.com/guides/building-protect-program-small-team): helps you prevent attacks and keep data safe. - [Detect](https://cybersectools.com/guides/building-detect-program-small-team): helps you spot attacks and unusual activity. ## Quick facts - Category: [Application Security](https://cybersectools.com/categories/application-security) ยท [Cloud Web Application and API Protection](https://cybersectools.com/categories/cloud-waap) - Vendor: [Imperva](https://cybersectools.com/companies/imperva) - Deployment: Hybrid - Company size fit: SMB, Mid-Market, Enterprise - Pricing model: Commercial (contact sales) - Features: 10 listed - Integrations: 4 listed - Website: imperva.com The full feature and integration lists are on the page for signed-in visitors. ## Where it ranks Imperva Web Application Firewall (WAF) is #3 of 6 on [Best Cloud WAAP Solutions for Business](https://cybersectools.com/shortlists/best-cloud-waap-solutions). ## Who is Imperva Web Application Firewall (WAF) best for? Regulated teams wanting managed rules, such as banks. Its place here comes from choice: a cloud service, a gateway for older on-premises apps and an elastic option for modern ones, all in one product. The audit logging maps to PCI DSS and GDPR work, which helps if you answer to regulators. Decide which option each app needs, because running gateways in your own data center is a different job from using a cloud service. Our take, from #3 of 6 on [Best Cloud WAAP Solutions for Business](https://cybersectools.com/shortlists/best-cloud-waap-solutions), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). ## Imperva Web Application Firewall (WAF) FAQ ### What is Imperva Web Application Firewall (WAF)? Imperva Web Application Firewall (WAF) is a product by Imperva in the Cloud Web Application and API Protection category. It covers SQL Injection, XSS and WAF. ### What is the pricing for Imperva Web Application Firewall (WAF)? Imperva Web Application Firewall (WAF) is a commercial product. For pricing, visit https://imperva.com/products/web-application-firewall-waf/ or contact Imperva. ### What are alternatives to Imperva Web Application Firewall (WAF)? Alternatives to Imperva Web Application Firewall (WAF) listed on CybersecTools: 1. [Alibaba Cloud Web Application Firewall (WAF)](https://cybersectools.com/tools/alibaba-cloud-web-application-firewall-waf) - Cloud-based WAF providing web app, API, and bot protection for cloud services (Commercial) 2. [Blindspot WAAP](https://cybersectools.com/tools/blindspot-waap) - WAAP with sidecar agent; no proxy, no SSL key exposure, sub-1ms decisions. (Commercial) 3. [Sectigo SiteLock Website Protection Solutions](https://cybersectools.com/tools/sectigo-sitelock-website-protection-solutions) - Website security platform with malware scanning, WAF, CDN, and DDoS protection (Commercial) 4. [DBAppSecurity DAS Web Application Firewall](https://cybersectools.com/tools/dbappsecurity-das-web-application-firewall) - WAF protecting websites and web apps from OWASP Top 10 and zero-day attacks (Commercial) 5. [Comodo Website Security](https://cybersectools.com/tools/comodo-website-security) - Website security platform with WAF, CDN, malware scanning, and backup (Commercial) Compare all Imperva Web Application Firewall (WAF) alternatives at [https://cybersectools.com/alternatives/imperva-web-application-firewall-waf](https://cybersectools.com/alternatives/imperva-web-application-firewall-waf) ### What deployment and organization size does Imperva Web Application Firewall (WAF) fit? Imperva Web Application Firewall (WAF) is available as cloud or on-premises (hybrid). It is listed for small businesses, mid-market companies and enterprises. Pricing is commercial. Ask Imperva for pricing and support terms. ## Compare Imperva Web Application Firewall (WAF) with similar solutions - [Imperva Web Application Firewall (WAF) vs Alibaba Cloud Web Application Firewall (WAF)](https://cybersectools.com/compare/alibaba-cloud-web-application-firewall-waf-vs-imperva-web-application-firewall-waf) - [Imperva Web Application Firewall (WAF) vs Blindspot WAAP](https://cybersectools.com/compare/blindspot-waap-vs-imperva-web-application-firewall-waf) - [Imperva Web Application Firewall (WAF) vs Sectigo SiteLock Website Protection Solutions](https://cybersectools.com/compare/imperva-web-application-firewall-waf-vs-sectigo-sitelock-website-protection-solutions) All alternatives to Imperva Web Application Firewall (WAF): [/alternatives/imperva-web-application-firewall-waf](https://cybersectools.com/alternatives/imperva-web-application-firewall-waf) --- Source: https://cybersectools.com/tools/imperva-web-application-firewall-waf For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any compare page has a Markdown copy too (add .md to its URL). More on Imperva Web Application Firewall (WAF) and Imperva: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=product-md