AWS Security Blog

Tag: Permissions

How to use resource-based policies in the AWS Secrets Manager console to securely access secrets across AWS accounts

AWS Secrets Manager now enables you to create and manage your resource-based policies using the Secrets Manager console. With this launch, we are also improving your security posture by both identifying and preventing creation of resource policies that grant overly broad access to your secrets across your Amazon Web Services (AWS) accounts. To achieve this, […]

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Tighten S3 permissions for your IAM users and roles using access history of S3 actions

Customers tell us that when their teams and projects are just getting started, administrators may grant broad access to inspire innovation and agility. Over time administrators need to restrict access to only the permissions required and achieve least privilege. Some customers have told us they need information to help them determine the permissions an application […]

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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) […]

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Identify unused IAM roles and remove them confidently with the last used timestamp

November 25, 2019: We’ve corrected a documentation link. As you build on AWS, you create AWS Identity and Access Management (IAM) roles to enable teams and applications to use AWS services. As those teams and applications evolve, you might only rely on a sub-set of your original roles to meet your needs. This can leave […]

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New! Set permission guardrails confidently by using IAM access advisor to analyze service-last-accessed information for accounts in your AWS organization

You can use AWS Organizations to centrally govern and manage multiple accounts as you scale your AWS workloads. With AWS Organizations, central security administrators can use service control policies (SCPs) to establish permission guardrails that all IAM users and roles in the organization’s accounts adhere to. When teams and projects are just getting started, administrators […]

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Create fine-grained session permissions using IAM managed policies

As a security best practice, AWS Identity and Access Management (IAM) recommends that you use temporary security credentials from AWS Security Token Service (STS) when you access your AWS resources. Temporary credentials are short-term credentials generated dynamically and provided to the user upon request. Today, one of the most widely used mechanisms for requesting temporary […]

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Automate analyzing your permissions using IAM access advisor APIs

As an administrator that grants access to AWS, you might want to enable your developers to get started with AWS quickly by granting them broad access. However, as your developers gain experience and your applications stabilize, you want to limit permissions to only what they need. To do this, access advisor will determine the permissions […]

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Simplify granting access to your AWS resources by using tags on AWS IAM users and roles

Recently, AWS enabled tags on IAM principals (users and roles). The main benefit of this new feature is that you’ll be able to author a single policy to grant access to individual resources and you’ll no longer need to update your policies for each new resource that you add. In other words, you can now […]

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