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Secure a Workflow with AWS IAM Policies

The ability to secure your pipelines is a core part of ensuring your serverless applications do not expose more attack surface than they need – or cause potential issues internally when being run. In this lab, you will be tasked with auditing two existing Lambda functions and their IAM roles, ensuring each function has a separate role that leverages the principle of least privilege, ensuring access is granted not only to the services they need – but the specific objects within those services.

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Lab platform
Lab Info
Level
Intermediate
Last updated
Dec 18, 2025
Duration
15m

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Table of Contents
  1. Challenge

    Audit access for existing IAM roles to lock down scope

    Review existing IAM roles and permissions, looking for areas of weakness and places in which the role can be locked down, ensuring it only provides access to the needed resources and necessary functions.

  2. Challenge

    Explore creating a new IAM role with restricted access and assign to an existing function

    Discover areas in which an IAM role can—and should—be broken down into a separate role, scoping the new role with limited action and access only to the desired resources.

  3. Challenge

    Test the pipeline by uploading a video, ensuring it works with the new permission set

    Verify your changes by confirming that the updated permissions do not break the pipeline by uploading the provided mp4 file and checking the logs and storage buckets for the expected actions.

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