AWS Security Blog

Category: AWS Identity and Access Management (IAM)

New AWS Compute Blog Post: Help Secure Container-Enabled Applications with IAM Roles for ECS Tasks

Amazon EC2 Container Service (ECS) now allows you to specify an IAM role that can be used by the containers in an ECS task, as a new AWS Compute Blog post explains. When an application makes use of the AWS SDK or CLI to make requests to the AWS API, it must sign each request with valid AWS access […]

Register for and Attend This July 29 Webinar—Best Practices for Managing Security Operations in AWS

Update: This webinar is now available as an on-demand video and slide deck. As part of the AWS Webinar Series, AWS will present Best Practices for Managing Security Operations in AWS on Friday, July 29. This webinar will start at 10:30 A.M. and end at 11:30 A.M. Pacific Time. AWS Security Solutions Architect Henrik Johansson will show you […]

How to restrict Amazon S3 bucket access to a specific IAM role

April 2, 2021: In the section “Granting cross-account bucket access to a specific IAM role,” we’ve updated the second policy to fix an error. I am a cloud support engineer here at AWS, and customers often ask me how they can limit Amazon S3 bucket access to a specific AWS Identity and Access Management (IAM) […]

AWS IAM Service Last Accessed Data Now Available for South America (Sao Paulo) and Asia Pacific (Seoul) Regions

In December, AWS Identity and Access Management (IAM) released service last accessed data, which helps you identify overly permissive policies attached to an IAM entity (a user, group, or role). Today, we have extended service last accessed data to support two additional regions: South America (Sao Paulo) and Asia Pacific (Seoul). With this release, you […]

Now Available: Get Even More Details from Service Last Accessed Data

In December, AWS Identity and Access Management (IAM) released service last accessed data, which shows the time when an IAM entity (a user, group, or role) last accessed an AWS service. This provided a powerful tool to help you grant least privilege permissions. Starting today, it’s easier to identify where you can reduce permissions based […]

How to Control Access to Your Amazon Elasticsearch Service Domain

September 9, 2021: Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service. See details. With the recent release of Amazon Elasticsearch Service (Amazon ES), you now can build applications without setting up and maintaining your own search cluster on Amazon EC2. One of the key benefits of using Amazon ES is that you can […]

How to Detect and Automatically Revoke Unintended IAM Access with Amazon CloudWatch Events

Update on October 24, 2018: Note that if you do not author the Lambda function correctly, this setup can create an infinite loop (in this case, a rule that is fired repeatedly, which can impact your AWS resources and cause higher than expected charges to your account). The example Lambda function I provide in Step […]

Register for and Attend This March 30 Webinar—Best Practices for Managing Security Operations in AWS

Update: The video and slides from the webinar are now available. As part of the AWS Webinar Series, AWS will present Best Practices for Managing Security Operations in AWS on Wednesday, March 30. This webinar will start at 10:30 A.M. and end at 11:30 A.M. Pacific Time (UTC-7). AWS Security Solutions Architect Henrik Johansson will share […]