Google Cloud Armor is described as 'Is Google's enterprise edge network security solution providing DDOS protection, WAF rule enforcement, and adaptive manageability at scale. Cloud Armor has extended the preconfigured WAF rule sets to mitigate against the OWASP Top 10 web application' and is a web application firewall in the network & admin category. There are more than 10 alternatives to Google Cloud Armor for a variety of platforms, including Self-Hosted, Web-based, SaaS, Wordpress and Android apps. The best Google Cloud Armor alternative is Wafris, which is both free and Open Source. Other great apps like Google Cloud Armor are BunkerWeb, SafeLine, coraza and Jetpack.