Tag: least privilege

November 24, 2023: This post has been updated to show the differences between accessing data by way of an AWS service over public endpoints and over AWS PrivateLink (data access pattern 2). July 7, 2023: This post had been updated to use Amazon S3 Replication as an example in Data access pattern 3b section. Amazon […]

September 28, 2023: IAM is incrementally adding support for actions from more services. For a list of services that report action last accessed information, see IAM action last accessed information services and actions. AWS Identity and Access Management (IAM) helps customers analyze access and achieve least privilege. When you are working on new permissions for […]

In 2019, AWS Identity and Access Management (IAM) Access Analyzer was launched to help you remove unintended public and cross account access by analyzing your existing permissions. In March 2021, IAM Access Analyzer added policy validation to help you set secure and functional permissions during policy authoring. Now, IAM Access Analyzer takes that a step […]

March 24, 2021: We’ve corrected errors in the policy statements in steps 2 and 3 of the section “To create the IAM policy document.” AWS CloudFormation is a service that lets you create a collection of related Amazon Web Services and third-party resources and provision them in an orderly and predictable fashion. A typical access […]

AWS Identity and Access Management (IAM) Access Analyzer helps you monitor and reduce access by using automated reasoning to generate comprehensive findings for resource access. Now, you can preview and validate public and cross-account access before deploying permission changes. For example, you can validate whether your S3 bucket would allow public access before deploying your […]

December 4, 2020: We’ve updated this post to use s3:CreateBucket to simplify the intro example, replaced figure 8 removing the IfExists reference, and clarified qualifier information in the example. In this post, I’m going to share two techniques I’ve used to write least privilege AWS Identity and Access Management (IAM) policies. If you’re not familiar […]

AWS Identity and Access Management (IAM) Access Analyzer generates comprehensive findings to help you identify resources that grant public and cross-account access. Now, you can also apply archive rules to existing findings, so you can better manage findings and focus on the findings that need your attention most. You can think of archive rules as […]

September 20, 2024: We’ve fixed a few errors in the JSON policy. 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. When you audit an environment governed by AWS Control Tower, having visibility […]

August 31, 2021: AWS KMS is replacing the term customer master key (CMK) with AWS KMS key and KMS key. The concept has not changed. To prevent breaking changes, AWS KMS is keeping some variations of this term. More info. One of the top security methodologies is the principle of least privilege, which is the […]

September 28, 2023: IAM is incrementally adding support for actions from more services. For a list of services that report action last accessed information, see IAM action last accessed information services and actions. Customers tell us that when their teams and projects are just getting started, administrators may grant broad access to inspire innovation and […]