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Azure Web Application Firewall

A cloud-native web application firewall (WAF) service that provides powerful protection for web apps

Improve security for your web applications

Azure Web Application Firewall is a cloud-native service that protects web apps from common web-hacking techniques such as SQL injection and security vulnerabilities such as cross-site scripting. Deploy the service in minutes to get complete visibility into your environment and block malicious attacks.

Comprehensive protection for the Open Web Application Security Project (OWASP) top 10 security risks

Customised and managed rule sets to prevent malicious attacks at the edge

Real-time visibility into your environment and security alerts

Full REST API support to automate DevOps processes

Protect web apps with managed rule sets

Protect your web applications in just a few minutes with the latest managed and preconfigured rule sets. The Azure Web Application Firewall detection engine combined with updated rule sets increases security, reduces false positives, and improves performance.

Learn more about managed rule sets

Meet security requirements with agentless deployment

Easily deploy Azure Web Application Firewall security with no additional software agent required. Centrally define and customise rules to meet your security requirements, then apply them to protect all your web apps.

Learn how to create and customise rules

Improve visibility into security and analytics

Experience seamless integration with security information event management (SIEM) tools in Azure. Access prebuilt workbooks with Azure Sentinel and modify them to fit your organisation's needs.

Learn more about integration with Azure Sentinel

Achieve organisational compliance fast

Use Azure Policy to help enforce organisational standards and assess compliance at scale for Web Application Firewall resources. Get an aggregated view to evaluate the overall state of your environment.

Learn more about integration with Azure policy

Improve security and optimise performance at the edge

Deploy Azure Web Application Firewall in Azure Front Door for advanced security, scalability, and accelerated delivery of apps to global users.

Explore Azure Front Door

Monitor security alerts and logs

Use Azure Monitor to track diagnostic information including security alerts and logs that provide detailed reporting on detected threats.

Learn more about integration with Azure Monitor

Why trust Azure Web Application Firewall to protect your applications?

Azure Web Application Firewall pricing

There are no upfront costs to use Azure Web Application Firewall—pay for only what you use.

Get started with an Azure free account

Start free. Get $200 credit to use within 30 days. While you have your credit, get free amounts of many of our most popular services, plus free amounts of 40+ other services that are always free.

After your credit, move to pay as you go to keep building with the same free services. Pay only if you use more than your free monthly amounts.

After 12 months, you'll keep getting 40+ always-free services—and still pay only for what you use beyond your free monthly amounts.

Trusted by companies of all sizes

Polycom gains scalability and access to global markets

Telecommunications leader Polycom uses the growing global network of Azure datacentres to achieve geo-redundancy and high levels of availability to deliver a great videoconferencing experience for users.


Eni gets a competitive edge with hub-and-spoke topology

Italian energy company Eni uses low-latency hub-and-spoke architecture on Azure to enable enterprise-grade controls and meet its high security bar.


NCR Corporation manages security with Azure Security Centre

Tech services company NCR Corporation uses Azure Security Centre as one of the most critical security tools for managing its Azure ecosystem. The single pane of glass provides an overview of security across Azure cloud deployments in real time.

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Azure Web Application Firewall updates, blogs, and announcements

Frequently asked questions about Azure Web Application Firewall

  • Azure Web Application Firewall is a cloud-native service that protects your web applications from bot attacks and common web vulnerabilities such as SQL injection and cross-site scripting.
  • Yes. Enable DDoS protection on Azure Virtual Network where Azure Application Gateway is deployed. This ensures that the Azure DDoS protection service also protects the application gateway virtual IP (VIP).

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