Azure Web Application Firewall (WAF) on Azure Front Door provides centralized protection for your web applications. WAF defends your web services against common exploits and vulnerabilities. It keeps your service highly available for your users and helps you meet compliance requirements.

Every year, businesses spend a significant amount of money maintaining legacy enterprise applications. By taking advantage of the cloud, enterprises of all sizes can move their legacy applications to a better infrastructure like Microsoft Azure, which enables faster development and can reduce IT costs significantly.