AWS Security Blog

Category: Technical How-to

Managing identity source transition for AWS IAM Identity Center

September 2, 2026: This post was republished to include Active Directory migration strategies and automation for permission sets. AWS IAM Identity Center manages user access to Amazon Web Services (AWS) resources, including both AWS accounts and applications. You can use IAM Identity Center to create and manage user identities within the Identity Center identity store […]

Automate IAM Identity Center governance with continuous discovery and reporting

AWS IAM Identity Center integrates with external identity provider (IdP) to provide customers with a centralized authentication and authorization solution for AWS resources across AWS Organizations. AWS continues to invest into IAM Identity Center with a growing number of AWS services that natively integrate with IAM Identity Center. As your AWS organization scales, maintaining visibility […]

Extend your data perimeter to the AWS Management Console with Private Access

Organizations in regulated industries such as financial services, government, defense, and healthcare restrict their sensitive workloads to isolated network environments with no access to the public internet. Until now, customers could restrict AWS Management Console access to authorized AWS accounts and corporate networks, but the console itself required internet connectivity. This was creating tension between […]

Detecting multi-stage attacks on AWS: A guide to cross-service signal correlation

A single alert from one security service tells you something happened. Read that signal alongside activity from other services and your own business context, and you will know whether what happened is part of a multi-stage attack. Consider a short sequence. An identity calls GetCallerIdentity from a source address it hasn’t previously used. Within minutes, […]

Propagate user authorization context in AI agents with Amazon Bedrock AgentCore

Many teams now deploy AI agents that pull from Amazon DynamoDB tables, document repositories, software as a service (SaaS) platforms, and internal knowledge bases to answer questions and automate workflows. A key risk in these deployments is that the agent has no awareness of who’s asking, so it might return data the user shouldn’t see. […]

Implement custom authentication for tools integration using request Lambda interceptor in AgentCore Gateway

When deploying AI agents with Amazon Bedrock AgentCore, organizations benefit from built-in modern support for OAuth 2.0, AWS Identity and Access Management (IAM), and API key authentication through Amazon Bedrock AgentCore Gateway. However, some enterprise environments still use legacy authentication mechanisms such as HTTP Basic Authentication (Basic Auth) (RFC 7617). The extensible architecture of AgentCore […]

How AWS IAM role manager rethinks the starting point for IAM roles

When you build a new application or capability on Amazon Web Services (AWS), you want to focus on what you’re building. Getting a service running almost always begins with AWS Identity and Access Management (IAM). Many AWS services that act on your behalf need an IAM role, an identity the service assumes to access your […]

Securing your Amazon S3 buckets: Identifying and remediating over-permissioned access

Misconfigured Amazon Simple Storage Service (Amazon S3) buckets can expose your data to unauthorized access. Without proactive review, S3 bucket policies or Access Control Lists (ACLs) configured with broad access may go unnoticed in your environment. In this post, you learn how to identify and fix over-permissioned S3 buckets across your AWS environment, along with […]

Automate certificates with ACME support in AWS Certificate Manager

Customers tell us that managing TLS certificates at scale is one of their biggest operational concerns. The Certification Authority Browser Forum (CA/Browser Forum) has mandated a phased reduction in maximum certificate validity for public certificates. By March 2027, the maximum validity drops to 100 days. By March 2029, it lasts for 47 days. For an […]

From 2 weeks to 2 minutes: Amazon Cognito launches Provisioned limits for self-service rate limit management

Imagine preparing for your biggest sales event of the year, and you want to ensure your customer identity management service can handle the elevated traffic for carrying out application activities. For security teams, business leaders, and technologists managing identity infrastructure at scale, this scenario has been all too familiar. Whether you’re a CISO evaluating security […]