Imperva Web Application Firewall vs FortiWeb

Imperva Web Application Firewall9.1Visit FortiWeb9.0Visit

Higher score Imperva Web Application Firewall #3 in Web Security Software 9.1/10 Pricing on request ✓ 0 of 4 features Contact Thales

vs

FortiWeb #4 in Web Security Software 9.0/10 Pricing on request ✓ 0 of 4 features Visit FortiWeb

• Imperva Web Application Firewall fits best

  Enterprises needing managed WAF policies and automation

• FortiWeb fits best

  Fortinet users needing broad application protection

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Side by side

Feature	Imperva Web Application Firewall 9.1/10 Visit ↗	FortiWeb 9.0/10 Visit ↗
At a glance
Editor score	9.1	9.0
Ranking	#3 in Web Security Software	#4 in Web Security Software
Best for	Enterprises needing managed WAF policies and automation	Fortinet users needing broad application protection
Pricing model	Paid	Paid
Starting price	Pricing on request	Pricing on request
Free plan	—	Not checked yet
Free trial	—	—
Deployment	Cloud, Self-hosted	Cloud, Self-hosted
Platforms	Web	Web
Support	Tickets, Docs	Email, Phone, Community, Docs
Compliance	GDPR, PCI DSS	PCI DSS
Built for	Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Imperva Web Application Firewall 0/4 · FortiWeb 0/4
Phishing/malware blocking	Not checked yet	Not checked yet
Web app firewall	Not checked yet	Not checked yet
DDoS protection	Not checked yet	Not checked yet
Bot protection	Not checked yet	Not checked yet
Specs
Deployment	Not checked yet	Not checked yet
Websites covered	Not checked yet	Not checked yet
Our review
Pros	Managed rules update daily, with real-time updates for critical threats Combines web/API protection, bot controls, and behavior-based rate thresholds Automates policy creation and rule propagation, with Terraform deployment	Covers OWASP attacks, APIs, bots, DDoS, and client-side threats Machine learning, FortiGuard signatures, and analytics support threat detection Integrates with FortiGate, FortiSandbox, and Fortinet Security Fabric
Cons	No public WAF plan prices; buying requires contacting sales No free plan, though a Cloud WAF trial is advertised Multiple deployment variants may require choosing among different operating models	Pricing requires contacting Fortinet sales Multiple deployment forms can require architecture planning Broad scope may exceed teams seeking only basic WAF protection
Our verdict	Imperva Web Application Firewall protects web applications and APIs against application-layer attacks, including SQL injection, cross-site scripting, and other OWASP Top 10 threats. Thales offers it to mid-market and enterprise… Read the review →	FortiWeb is Fortinet’s web application firewall for organizations protecting web applications and APIs against known vulnerabilities, zero-day threats, bots, and application-layer attacks. It supports cloud and self-hosted deployment, with… Read the review →

Strengths and trade-offs

• Imperva Web Application Firewall — where it wins

  • Managed rules update daily, with real-time updates for critical threats
  • Combines web/API protection, bot controls, and behavior-based rate thresholds
  • Automates policy creation and rule propagation, with Terraform deployment

  Where it doesn't

  • No public WAF plan prices; buying requires contacting sales
  • No free plan, though a Cloud WAF trial is advertised
  • Multiple deployment variants may require choosing among different operating models

• FortiWeb — where it wins

  • Covers OWASP attacks, APIs, bots, DDoS, and client-side threats
  • Machine learning, FortiGuard signatures, and analytics support threat detection
  • Integrates with FortiGate, FortiSandbox, and Fortinet Security Fabric

  Where it doesn't

  • Pricing requires contacting Fortinet sales
  • Multiple deployment forms can require architecture planning
  • Broad scope may exceed teams seeking only basic WAF protection

• Imperva Web Application Firewall9.1/10 · Pricing on request

  Managed WAF rules, bot controls and deployment automation for hybrid environments.

  Contact ThalesFull verdict →
• FortiWeb9.0/10 · Pricing on request

  Broad hybrid WAF protection for Fortinet-centered teams, with contact-sales pricing.

  Visit FortiWebFull verdict →