First Look: AWS SageMaker Ships 100+ Detailed Inference Metrics with CloudWatch Insights Dashboard

Forensic Summary

AWS has released a deep observability layer for SageMaker AI inference endpoints, emitting over 100 metrics covering GPU health, KV cache pressure, token-level latency, and traffic distribution into a native CloudWatch Insights dashboard with PromQL-compatible export. For defenders, this centralised telemetry surface introduces new reconnaissance and exfiltration vectors: an adversary with read access to CloudWatch or connected third-party tools (Grafana, Datadog) can infer model architecture, request patterns, and capacity limits without touching the model itself. The richness of these signals also raises insider-threat risk, as operational staff now have granular visibility into inference behaviour that can be leveraged to reverse-engineer model characteristics or plan targeted denial-of-service campaigns.

Read the full technical deep-dive on Grid the Grey: https://gridthegrey.com/posts/first-look-aws-sagemaker-ships-100-detailed-inference-metrics-with-cloudwatch/