Prebuilt WAF rules are great — until they flag every JSON payload and block harmless users.

In this 3-min guide:

• ✅ How to use evaluatePreconfiguredWaf() with precision
• 🧠 Tune sensitivity, mute noisy signatures, exclude headers
• 🧬 Enable JSON parsing for GraphQL & large payloads
• 🔁 Flip on preview, test, adjust, then enforce
• 📈 Real-world wins from marketplaces, video apps, and fintech APIs

🎯 Plus: advanced tricks like composite rate-limiting keys & reCAPTCHA defense.

📎 Read the full guide: https://medium.com/google-cloud/secure-your-apis-in-2025-with-cloud-armors-ready-made-waf-filters-398dfad996eb