AWS Security Blog

Category: Technical How-to

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Establishing a data perimeter on AWS: Allow access to company data only from expected networks

August 28, 2025: This post has been updated with guidance on how to use aws:VpceOrgID condition key to scale your network perimeter implementation. November 13, 2024: This post has been updated with guidance on how to use resource control policies (RCPs) to establish your organization’s network perimeter. In the first three blog posts in the […]

Validate IAM policies by using IAM Policy Validator for AWS CloudFormation and GitHub Actions

Validate IAM policies by using IAM Policy Validator for AWS CloudFormation and GitHub Actions

April 15, 2024: AWS has launched two new GitHub Actions that can be used to simplify some of the steps covered in this blog post. Click here to learn more abbot the new GitHub actions for AWS CloudFormation and HashiCorp’s Terraform. In this blog post, I’ll show you how to automate the validation of AWS […]

SageMaker machine learning insights architecture for Security Lake

Generate machine learning insights for Amazon Security Lake data using Amazon SageMaker

Amazon Security Lake automatically centralizes the collection of security-related logs and events from integrated AWS and third-party services. With the increasing amount of security data available, it can be challenging knowing what data to focus on and which tools to use. You can use native AWS services such as Amazon QuickSight, Amazon OpenSearch, and Amazon […]

Improve your security investigations with Detective finding groups visualizations

At AWS, we often hear from customers that they want expanded security coverage for the multiple services that they use on AWS. However, alert fatigue is a common challenge that customers face as we introduce new security protections. The challenge becomes how to operationalize, identify, and prioritize alerts that represent real risk. In this post, […]

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How we designed Cedar to be intuitive to use, fast, and safe

This post is a deep dive into the design of Cedar, an open source language for writing and evaluating authorization policies. Using Cedar, you can control access to your application’s resources in a modular and reusable way. You write Cedar policies that express your application’s permissions, and the application uses Cedar’s authorization engine to decide which […]

Solution architecture to automate the review and validation of permissions for users and groups in AWS IAM Identity Center

How to automate the review and validation of permissions for users and groups in AWS IAM Identity Center

AWS IAM Identity Center (successor to AWS Single Sign-On) is widely used by organizations to centrally manage federated access to their Amazon Web Services (AWS) environment. As organizations grow, it’s crucial that they maintain control of access to their environment and conduct regular reviews of existing granted permissions to maintain a good security posture. With […]

How to use AWS Verified Access logs to write and troubleshoot access policies

How to use AWS Verified Access logs to write and troubleshoot access policies

On June 19, 2023, AWS Verified Access introduced improved logging functionality; Verified Access now logs more extensive user context information received from the trust providers. This improved logging feature simplifies administration and troubleshooting of application access policies while adhering to zero-trust principles. In this blog post, we will show you how to manage the Verified Access […]

Multi-account diagram for sharing your IPAM pool from a networking account in the Infrastructure OU to accounts in the Development OU

Configure fine-grained access to your resources shared using AWS Resource Access Manager

You can use AWS Resource Access Manager (AWS RAM) to securely, simply, and consistently share supported resource types within your organization or organizational units (OUs) and across AWS accounts. This means you can provision your resources once and use AWS RAM to share them with accounts. With AWS RAM, the accounts that receive the shared […]

Perform continuous vulnerability scanning of AWS Lambda functions with Amazon Inspector

This blog post demonstrates how you can activate Amazon Inspector within one or more AWS accounts and be notified when a vulnerability is detected in an AWS Lambda function. Amazon Inspector is an automated vulnerability management service that continually scans workloads for software vulnerabilities and unintended network exposure. Amazon Inspector scans mixed workloads like Amazon […]

Migrating your secrets to AWS Secrets Manager, Part 2: Implementation

Migrating your secrets to AWS Secrets Manager, Part 2: Implementation

In Part 1 of this series, we provided guidance on how to discover and classify secrets and design a migration solution for customers who plan to migrate secrets to AWS Secrets Manager. We also mentioned steps that you can take to enable preventative and detective controls for Secrets Manager. In this post, we discuss how […]