Category: How-To

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 […]

As part of our ongoing efforts to help keep your resources secure, on April 21, 2014, AWS removed the ability to retrieve existing secret access keys for your AWS (root) account. See the updated blog post Where’s My Secret Access Key? for more information about access keys and secret access keys. -Kai

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 […]

September 3, 2021: This blog post was updated to clarify that the S3 bucket name DOC-EXAMPLE-BUCKET is a placeholder name that readers should replace with their own S3 bucket name. An important objective of analyzing OS-generated data is to detect, correlate, and report on potential security events. Several partner solutions available in AWS Marketplace provide this functionality, […]

Update from September 7, 2022: This post had been updated to correct the reference to the CloudFormation template. Update from January 17, 2018: The techniques demonstrated in this blog post relate to traditional SAML federation for AWS. These techniques are still valid and useful. However, AWS Single Sign-On (AWS SSO) provides analogous capabilities by way of […]

Changing access keys (which consist of an access key ID and a secret access key) on a regular schedule is a well-known security best practice because it shortens the period an access key is active and therefore reduces the business impact if they are compromised. Having an established process that is run regularly also ensures […]

In this post, we’ll address a common question about how to write an AWS Identity and Access Management (IAM) policy to grant read-write access to an Amazon S3 bucket.  Doing so helps you control who can access your data stored in Amazon S3. You can grant either programmatic access or AWS Management Console access to […]