Implementing Cloud WAF Rules When to Use - When deploying new web applications or APIs behind cloud load balancers requiring OWASP protection - When application penetration testing reveals SQL injection, XSS, or other injection vulnerabilities - When experiencing brute force, credential stuffing, or bot attacks against authentication endpoints - When compliance requirements mandate a WAF for PCI-DSS or similar standards - When tuning WAF rules to reduce false positives blocking legitimate application traffic Do not use for network-level DDoS protection (use AWS Shield or Azure DDoS Protection…