4ML Solution Monitoring, Maintenance, and Security

• 4.1Model Monitoring and Drift

  Understand drift detection with SageMaker Model Monitor, endpoint monitoring with CloudWatch, and retraining triggered by drift. The starting point for "Monitoring, Maintenance, and Security" in MLA-C01.

• 4.2ML Security and Cost

  Understand security/cost of ML operations: least privilege with IAM, encryption (KMS/TLS) and VPC isolation, and cost optimization (right-sizing, managed spot training).