AWS Security Blog
Category: Advanced (300)
Use SAML with Amazon Cognito to support a multi-tenant application with a single user pool
Amazon Cognito is a customer identity and access management solution that scales to millions of users. With Cognito, you have four ways to secure multi-tenant applications: user pools, application clients, groups, or custom attributes. In an earlier blog post titled Role-based access control using Amazon Cognito and an external identity provider, you learned how to […]
Use AWS Secrets Manager to store and manage secrets in on-premises or multicloud workloads
AWS Secrets Manager helps you manage, retrieve, and rotate database credentials, API keys, and other secrets throughout their lifecycles. You might already use Secrets Manager to store and manage secrets in your applications built on Amazon Web Services (AWS), but what about secrets for applications that are hosted in your on-premises data center, or hosted […]
How to implement cryptographic modules to secure private keys used with IAM Roles Anywhere
AWS Identity and Access Management (IAM) Roles Anywhere enables workloads that run outside of Amazon Web Services (AWS), such as servers, containers, and applications, to use X.509 digital certificates to obtain temporary AWS credentials and access AWS resources, the same way that you use IAM roles for workloads on AWS. Now, IAM Roles Anywhere allows […]
Access accounts with AWS Management Console Private Access
December 7, 2023: This blog has been updated to include a paragraph about using aws:SourceVpc IAM condition context key in endpoint policies. AWS Management Console Private Access is an advanced security feature to help you control access to the AWS Management Console. In this post, I will show you how this feature works, share current […]
Automatically detect and block low-volume network floods
In this blog post, I show you how to deploy a solution that uses AWS Lambda to automatically manage the lifecycle of Amazon VPC Network Access Control List (ACL) rules to mitigate network floods detected using Amazon CloudWatch Logs Insights and Amazon Timestream. Application teams should consider the impact unexpected traffic floods can have on an application’s availability. Internet-facing applications can […]
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 […]
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 […]
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 […]
How to Connect Your On-Premises Active Directory to AWS Using AD Connector
August 17, 2023: We updated the instructions and screenshots in this post to align with changes to the AWS Management Console. April 25, 2023: We’ve updated this blog post to include more security learning resources. AD Connector is designed to give you an easy way to establish a trusted relationship between your Active Directory and […]
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 […]