F5 Distributed Cloud WAF is a cloud-based web application firewall and API protection service that safeguards both legacy and modern applications across distributed multi-cloud, hybrid, and edge environments. The solution delivers application security through centralized policy management, signature-based protection, machine learning-based detection, and behavioral analysis. It includes nearly 8,000 signatures for CVEs and known vulnerabilities, supports inspection of GraphQL and REST API protocols, and provides automated threat detection and attack signature tuning capabilities through cloud-delivered security services.