AWS Security Blog

Category: AWS Identity and Access Management (IAM)

Granting Permission to Launch EC2 Instances with IAM Roles (PassRole Permission)

When you launch an Amazon EC2 instance, you can associate an AWS IAM role with the instance to give applications or CLI commands that run on the instance permissions that are defined by the role. When a role is associated with an instance, EC2 obtains temporary security credentials for the role you associated with the […]

With New ELB Permissions, Support for IAM in AWS Is Going Strong

The Elastic Load Balancing team announced on May 13, 2014 that they’ve added support for resource-level permissions. Not only can you specify which ELB actions a user can perform, you can specify which resources the user can perform those actions on. For more information about the new ELB permissions, see Controlling Access to Your Load […]

How to Enable Cross-Account Access to the AWS Management Console

July 26, 2017, update: We recommend that you use cross-account access by switching roles in the AWS Management Console. Also see the related documentation: Switching to a Role (AWS Management Console). Last December we described how you can delegate access to your AWS account using IAM roles. Using IAM roles, you can take advantage of […]

IAM User Sign-in Page Changes

Today, AWS updated the sign-in experience for IAM users accessing AWS websites such as the AWS Management Console, Support, or Forums. As previously announced, the new sign-in experience continues to provide the same functionality as the previous one, it but provides a more consistent experience for IAM users when signing in to AWS account whether it […]

An In-Depth Look at the IAM Policy Simulator

This week’s guest blogger, Ajith Ranabahu, Software Development Engineer on the AWS Identity and Access Management (IAM) team, presents an in-depth look at the IAM policy simulator. Many of you have asked about how to author and troubleshoot access control policies. To help with this task, last year we launched the policy simulator, which makes it easier […]

High-Availability IAM Design Patterns

Today Will Kruse, Senior Security Engineer on the AWS Identity and Access Management (IAM) team, provides a tutorial on how to enable resiliency against authentication and authorization failures in an application deployed on Amazon EC2 using a high availability design pattern based on IAM roles. Background Many of you invest significant effort to ensure that a […]

How Do I Protect Cross-Account Access Using MFA?

Today AWS announced support for adding multi-factor authentication (MFA) for cross-account access. In this blog post, I will walk you through a common use case, including a code sample, which demonstrates how to create policies that enforce MFA when IAM users from one AWS account make programmatic requests for resources in a different account. Many […]