# Imperva Web Application Firewall (WAF) vs ZeroSpam Zero Spam Protection: side-by-side comparison (2026) [Imperva Web Application Firewall (WAF)](https://cybersectools.com/tools/imperva-web-application-firewall-waf) is a commercial [cloud web application and API protection](https://cybersectools.com/categories/cloud-waap) solution by [Imperva](https://cybersectools.com/companies/imperva). [ZeroSpam Zero Spam Protection](https://cybersectools.com/tools/zerospam-zero-spam-protection) is a commercial [bot management & CAPTCHA](https://cybersectools.com/categories/bot-management-captcha) solution by [Zerospam](https://cybersectools.com/companies/zerospam). Features, integrations, deployment and the company behind each one, side by side. ## Our take What our shortlists say about the one we picked. ### [Imperva Web Application Firewall (WAF)](https://cybersectools.com/tools/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. From [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). Need the answer fast? [Best Cloud WAAP Solutions for Business](https://cybersectools.com/shortlists/best-cloud-waap-solutions) picks Cloudflare WAF, Akamai App & API Protector, Imperva Web Application Firewall (WAF) and 3 more. ## Side-by-side comparison | | Imperva Web Application Firewall (WAF) | ZeroSpam Zero Spam Protection | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Cloud Web Application and API Protection | Bot Management & CAPTCHA | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market | | Company | Imperva | Zerospam | | Headquarters | – | – | ### Use cases and capabilities | | Imperva Web Application Firewall (WAF) | ZeroSpam Zero Spam Protection | |---|---|---| | SQL Injection | Yes | – | | XSS | Yes | – | | WAF | Yes | – | | DDoS | – | Yes | | Web Security | – | Yes | | REST API | – | Yes | ### Core features **Imperva Web Application Firewall (WAF)** 10 features listed. Sign in on the page to see them. **ZeroSpam Zero Spam Protection** 10 features listed. Sign in on the page to see them. ### Integrations **Imperva Web Application Firewall (WAF)** 4 integrations listed. Sign in on the page to see them. **ZeroSpam Zero Spam Protection** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Imperva Web Application Firewall (WAF)](https://cybersectools.com/tools/imperva-web-application-firewall-waf) fits if you need both cloud and on-premises options and you are an enterprise. - [ZeroSpam Zero Spam Protection](https://cybersectools.com/tools/zerospam-zero-spam-protection) fits if you want a cloud product and you are a startup. ## Imperva Web Application Firewall (WAF) vs ZeroSpam Zero Spam Protection FAQ Common questions when comparing Imperva Web Application Firewall (WAF) vs ZeroSpam Zero Spam Protection for cloud web application and API protection. ### What is the difference between Imperva Web Application Firewall (WAF) and ZeroSpam Zero Spam Protection? **Imperva Web Application Firewall (WAF)**: WAF protecting web apps and APIs from OWASP Top 10 and other threats. Built by Imperva. **ZeroSpam Zero Spam Protection**: Spam and malicious traffic blocking service for websites and applications. Built by Zerospam. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Imperva Web Application Firewall (WAF) and ZeroSpam Zero Spam Protection? **Imperva Web Application Firewall (WAF)** is made by Imperva. **ZeroSpam Zero Spam Protection** is made by Zerospam. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Imperva Web Application Firewall (WAF) a good alternative to ZeroSpam Zero Spam Protection? In part. Imperva Web Application Firewall (WAF) and ZeroSpam Zero Spam Protection are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Imperva Web Application Firewall (WAF) vs MONITORAPP AIWAF](https://cybersectools.com/compare/imperva-web-application-firewall-waf-vs-monitorapp-aiwaf) - [Imperva Web Application Firewall (WAF) vs Blackwall GateKeeper](https://cybersectools.com/compare/blackwall-customer-login-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) - [ZeroSpam Zero Spam Protection vs MONITORAPP AIWAF](https://cybersectools.com/compare/monitorapp-aiwaf-vs-zerospam-zero-spam-protection) - [ZeroSpam Zero Spam Protection vs Blackwall GateKeeper](https://cybersectools.com/compare/blackwall-customer-login-vs-zerospam-zero-spam-protection) - [ZeroSpam Zero Spam Protection vs Sectigo SiteLock Website Protection Solutions](https://cybersectools.com/compare/sectigo-sitelock-website-protection-solutions-vs-zerospam-zero-spam-protection) ## Alternatives to each - [See all Imperva Web Application Firewall (WAF) alternatives](https://cybersectools.com/alternatives/imperva-web-application-firewall-waf) - [See all ZeroSpam Zero Spam Protection alternatives](https://cybersectools.com/alternatives/zerospam-zero-spam-protection) --- Source: https://cybersectools.com/compare/imperva-web-application-firewall-waf-vs-zerospam-zero-spam-protection For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/imperva-web-application-firewall-waf.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Imperva Web Application Firewall (WAF) and ZeroSpam Zero Spam Protection: 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=compare-md