AWS Security Blog

Tag: AWS IAM

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Refine permissions for externally accessible roles using IAM Access Analyzer and IAM action last accessed

When you build on Amazon Web Services (AWS) across accounts, you might use an AWS Identity and Access Management (IAM) role to allow an authenticated identity from outside your account—such as an IAM entity or a user from an external identity provider—to access the resources in your account. IAM roles have two types of policies […]

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Secure by Design: AWS to enhance MFA requirements in 2024

Security is our top priority at Amazon Web Services (AWS). To that end, I’m excited to share that AWS is further strengthening the default security posture of our customers’ environments by requiring the use of multi-factor authentication (MFA), beginning with the most privileged users in their accounts. MFA is one of the simplest and most […]

Validate IAM policies by using IAM Policy Validator for AWS CloudFormation and GitHub Actions

Validate IAM policies by using IAM Policy Validator for AWS CloudFormation and GitHub Actions

April 15, 2024: AWS has launched two new GitHub Actions that can be used to simplify some of the steps covered in this blog post. Click here to learn more abbot the new GitHub actions for AWS CloudFormation and HashiCorp’s Terraform. In this blog post, I’ll show you how to automate the validation of AWS […]

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Temporary elevated access management with IAM Identity Center

AWS recommends using automation where possible to keep people away from systems—yet not every action can be automated in practice, and some operations might require access by human users. Depending on their scope and potential impact, some human operations might require special treatment. One such treatment is temporary elevated access, also known as just-in-time access. […]

Use IAM roles to connect GitHub Actions to actions in AWS

Use IAM roles to connect GitHub Actions to actions in AWS

May 22, 2023: We updated the post to reflect case sensitivity in the IDP entered: https://token.actions.githubusercontent.com. The IDP created in this post should be entered in lowercase through the post. Have you ever wanted to initiate change in an Amazon Web Services (AWS) account after you update a GitHub repository, or deploy updates in an […]

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How to prioritize IAM Access Analyzer findings

AWS Identity and Access Management (IAM) Access Analyzer is an important tool in your journey towards least privilege access. You can use IAM Access Analyzer access previews to preview and validate public and cross-account access before deploying permissions changes in your environment. For the permissions already in place, one of IAM Access Analyzer’s capabilities is that […]

How to use Google Workspace as an external identity provider for AWS IAM Identity Center

January 25, 2024: This post is no longer current. Please see this tutorial for the updated info. March 21, 2023: We modified the description of a permission set in the Introduction. March 8, 2023: We updated the post to reflect some name changes (G Suite is now Google Workspace; AWS Single Sign-On is now AWS […]

How to visualize IAM Access Analyzer policy validation findings with QuickSight

In this blog post, we show you how to create an Amazon QuickSight dashboard to visualize the policy validation findings from AWS Identity and Access Management (IAM) Access Analyzer. You can use this dashboard to better understand your policies and how to achieve least privilege by periodically validating your IAM roles against IAM best practices. […]

How to use trust policies with IAM roles

June 20 2023: The wording in this post has been updated to avoid confusion around the use of wildcards in the principal element of an AWS Identity and Access Management (IAM) trust policy statement. November 3, 2022: We updated this post to fix some syntax errors in the policy statements and to add additional use […]

Use IAM Access Analyzer policy generation to grant fine-grained permissions for your AWS CloudFormation service roles

AWS Identity and Access Management (IAM) Access Analyzer provides tools to simplify permissions management by making it simpler for you to set, verify, and refine permissions. One such tool is IAM Access Analyzer policy generation, which creates fine-grained policies based on your AWS CloudTrail access activity—for example, the actions you use with Amazon Elastic Compute […]