Imperva is one of the longest-established names in web application security and a perennial leader in analyst WAF rankings. It offers the WAF as a cloud service in front of the origin or as an on-premise gateway appliance, which suits enterprises that need to keep protection inside their own data centres.
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Around the core WAF it bundles DDoS mitigation, a CDN, dedicated API security, and advanced bot management, plus attack analytics that correlate events to cut alert noise. That breadth, and its compliance track record, make it common in regulated industries.
Imperva is an enterprise platform priced by quote and sold with onboarding and support, not a self-serve product. Smaller sites are better served by a site-owner cloud WAF; Imperva targets organisations that need depth, on-prem options, and formal support.
Category context: Edge and cloud WAF platforms for larger sites and APIs, with managed rules, bot defence, and DDoS at global scale. Usually custom-priced.
Enterprise WAF, DDoS, and API protection on one of the world's largest edge networks.
Compare →Enterprise WAF across SaaS, appliance, and NGINX form factors, from a long-time application-delivery leader.
Compare →The most widely used cloud WAF and CDN, filtering attacks at the DNS edge before they reach your origin.
Compare →Imperva is an enterprise web application security vendor whose WAF is a long-standing analyst leader. It is available as a cloud service in front of the origin or as an on-premise gateway appliance, and it bundles DDoS protection, a CDN, API security, and bot management with attack analytics.
Imperva is an enterprise platform priced by custom quote based on traffic, modules, and deployment (cloud versus on-premise), and sold with onboarding and support. It does not have a self-serve tier, so it is aimed at organisations rather than individual small-site owners.
Cloudflare offers a self-serve, edge-delivered WAF with free and paid tiers that suits everyone from blogs to enterprises. Imperva is enterprise-first, with on-premise appliance options, deep API security, and formal support, favoured by regulated organisations. The choice comes down to scale, on-prem needs, and support model.
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