AWS Security Blog


Rely on employee attributes from your corporate directory to create fine-grained permissions in AWS

In my earlier post Simplify granting access to your AWS resources by using tags on AWS IAM users and roles, I explained how to implement attribute-based access control (ABAC) in AWS to simplify permissions management at scale. In that scenario, I talked about relying on attributes on your IAM users and roles for access control […]

Use attribute-based access control with AD FS to simplify IAM permissions management

June 19, 2020: The Prerequisites section of this post has been updated to include the prerequisite to enable Sts:tagSession to the role trust policy. AWS Identity and Access Management (IAM) allows customers to provide granular access control to resources in AWS. One approach to granting access to resources is to use attribute-based access control (ABAC) […]

How to automate SAML federation to multiple AWS accounts from Microsoft Azure Active Directory

September 12, 2022: This blog post has been updated to reflect the new name of AWS Single Sign-On (SSO) – AWS IAM Identity Center. Read more about the name change here. December 2, 2019: Since the author wrote this post, AWS Single Sign On (AWS IAM Identity Center) has launched native features that simplify using […]

SAML Identity Federation: Follow-Up Questions, Materials, Guides, and Templates from an AWS re:Invent 2016 Workshop (SEC306)

As part of the re:Source Mini Con for Security Services at AWS re:Invent 2016, we conducted a workshop focused on Security Assertion Markup Language (SAML) identity federation: Choose Your Own SAML Adventure: A Self-Directed Journey to AWS Identity Federation Mastery. As part of this workshop, attendees were able to submit their own federation-focused questions to […]

How to Use SAML to Automatically Direct Federated Users to a Specific AWS Management Console Page

Identity federation enables your enterprise users (such as Active Directory users) to access the AWS Management Console via single sign-on (SSO) by using their existing credentials. In Security Assertion Markup Language (SAML) 2.0, RelayState is an optional parameter that identifies a specified destination URL your users will access after signing in with SSO. When using […]

How to Set Up Uninterrupted, Federated User Access to AWS Using AD FS

Microsoft Active Directory Federation Services (AD FS) is a common identity provider that many AWS customers use to give federated users access to the AWS Management Console. AD FS uses multiple certificates to ensure secure communication between servers and to act as authentication mechanisms. One such mechanism is called the token-signing certificate. When the token-signing certificate expires, […]

How to Set Up SSO to the AWS Management Console for Multiple Accounts by Using AD FS and SAML 2.0

AWS supports Security Assertion Markup Language (SAML) 2.0, an open standard for identity federation used by many identity providers (IdPs). SAML enables federated single sign-on (SSO), which enables your users to sign in to the AWS Management Console or to make programmatic calls to AWS APIs by using assertions from a SAML-compliant IdP. Many of […]

AWS IAM Sessions at re:Invent 2015

As I said last week, the breakout sessions for the Security & Compliance track have been announced and are shown in the re:Invent 2015 session catalog. If you are going to re:Invent 2015, you can add these sessions to your schedule now. Today, I will highlight the AWS Identity and Access Management (IAM) sessions that […]

How to Implement a General Solution for Federated API/CLI Access Using SAML 2.0

Important note from July 18, 2019: The original version of this blog uses Python2.x scripts. We now have Python3.x scripts that you can download here: Form-based authentication version of the Python3.x script AD FS 3.0-specific version of the Python3.x script Note from May 24, 2019: The features and services described in this post have changed since […]