Intro
Modern applications face a relentless, evolving threat landscape. Even with AWS WAF guarding your perimeter, your telemetry—WAF logs, application metrics, access logs, CloudTrail events, third‑party signals—quickly becomes a flood. Teams are often stuck in reactive mode: detecting anomalies too late, struggling to find root causes across fragmented systems, and losing precious time before meaningful action is taken. ⚠️
Generative AI flips that script. By combining AWS WAF, Amazon CloudWatch, and Amazon Bedrock Agents (often referred to as the agent runtime/core), we can transform raw telemetry into actionable insights. In this article, we’ll build a simple web application protected by WAF, stream its metrics and logs to CloudWatch and S3, and feed the signals into Bedrock to:
- Detect anomalies (e.g., spikes in 403s, bot behavior, SQLi patterns)
- Diagnose likely causes using multi‑source context (WAF logs, app metrics, CloudTrail, and external log feeds)
- Decide and act: trigger alerts, open tickets, or automatically mitigate (e.g., update WAF rules, throttle endpoints, invoke Lambda runbooks)
Yes, CloudWatch already provides Generative AI observability for Bedrock workloads—exposing standardized metrics, traces, and logs for model and agent behavior. But walking through a manual, end‑to‑end setup gives you invaluable understanding and control. You’ll learn how to build custom actions, enrich AI context with additional data sources (inside and outside AWS), and design safe automation that’s portable to your custom hybrid and on‑prem environments. 🛠️
By the end, you’ll have a repeatable pattern that:
- Strengthens your security posture with faster detection and response
- Reduces mean time to diagnose (MTTD) and mean time to resolve (MTTR)
- Monitors the AI itself—token usage, latency, errors, guardrail evaluations—using CloudWatch’s GenAI observability
- Safely automates mitigations with guardrails, RBAC, and auditable workflows
It’s time to create — turn your observability data into an intelligent, actionable defense. 🔐🤖
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