Qualys Web Application Firewall (WAF) is a cloud-based web application security solution that blocks attacks and virtually patches web application vulnerabilities. The solution can be deployed as a virtual appliance on VMware, Hyper-V, Docker, AWS, Azure, or Google Cloud Platform environments, keeping application traffic within the customer's infrastructure to minimize latency and maintain control. Operating as a fully cloud-based system, it scales to protect millions of assets while maintaining continuous communication with the Enterprise TruRisk Platform for configuration change tracking and security event monitoring, providing comprehensive visibility into security data for continuous monitoring, risk assessments, and remediation planning.